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4001430222 = 232222301679
BaseRepresentation
bin1110111010000000…
…1111101011001110
3101022212101201100100
43232200033223032
531143331231342
61501020311530
7201105411216
oct35640175316
911285351310
104001430222
111773780829
129380a25a6
134ba0026ba
1429d607246
15186458e4c
hexee80face

4001430222 has 12 divisors (see below), whose sum is σ = 8669765520. Its totient is φ = 1333810068.

The previous prime is 4001430197. The next prime is 4001430227. The reversal of 4001430222 is 2220341004.

4001430222 is a `hidden beast` number, since 400 + 1 + 43 + 0 + 222 = 666.

It is a super-2 number, since 2×40014302222 = 32022887643069938568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 222301679 = 4001430222 / (4 + 0 + 0 + 1 + 4 + 3 + 0 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 4001430195 and 4001430204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001430227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111150822 + ... + 111150857.

It is an arithmetic number, because the mean of its divisors is an integer number (722480460).

Almost surely, 24001430222 is an apocalyptic number.

4001430222 is an abundant number, since it is smaller than the sum of its proper divisors (4668335298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4001430222 is a wasteful number, since it uses less digits than its factorization.

4001430222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222301687 (or 222301684 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4001430222 is about 63256.8590905366. The cubic root of 4001430222 is about 1587.5902240824.

Adding to 4001430222 its reverse (2220341004), we get a palindrome (6221771226).

The spelling of 4001430222 in words is "four billion, one million, four hundred thirty thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 222301679 444603358 666905037 1333810074 2000715111 4001430222