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222010331 = 1270317477
BaseRepresentation
bin11010011101110…
…01101111011011
3120110202021220212
431032321233123
5423313312311
634010241335
75334025304
oct1516715733
9513667825
10222010331
11104356714
126242624b
1336cc277a
14216b17ab
1514755c8b
hexd3b9bdb

222010331 has 4 divisors (see below), whose sum is σ = 222040512. Its totient is φ = 221980152.

The previous prime is 222010319. The next prime is 222010337. The reversal of 222010331 is 133010222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-222010331 is a prime.

It is a super-2 number, since 2×2220103312 = 98577174141459122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222010337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3965 + ... + 21441.

It is an arithmetic number, because the mean of its divisors is an integer number (55510128).

Almost surely, 2222010331 is an apocalyptic number.

222010331 is a deficient number, since it is larger than the sum of its proper divisors (30181).

222010331 is a wasteful number, since it uses less digits than its factorization.

222010331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30180.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 222010331 is about 14900.0111073784. The cubic root of 222010331 is about 605.5142871046.

Adding to 222010331 its reverse (133010222), we get a palindrome (355020553).

The spelling of 222010331 in words is "two hundred twenty-two million, ten thousand, three hundred thirty-one".

Divisors: 1 12703 17477 222010331