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22235230 = 254747309
BaseRepresentation
bin101010011010…
…0100001011110
31112211200000001
41110310201132
521143011410
62112324514
7356665513
oct124644136
945750001
1022235230
1111607726
12754373a
1347b6954
142d4b30a
151e4333a
hex153485e

22235230 has 16 divisors (see below), whose sum is σ = 40875840. Its totient is φ = 8704672.

The previous prime is 22235219. The next prime is 22235231. The reversal of 22235230 is 3253222.

It is a junction number, because it is equal to n+sod(n) for n = 22235198 and 22235207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22235231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23185 + ... + 24124.

It is an arithmetic number, because the mean of its divisors is an integer number (2554740).

Almost surely, 222235230 is an apocalyptic number.

22235230 is a deficient number, since it is larger than the sum of its proper divisors (18640610).

22235230 is a wasteful number, since it uses less digits than its factorization.

22235230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47363.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 22235230 is about 4715.4246892512. The cubic root of 22235230 is about 281.1990669908.

Adding to 22235230 its reverse (3253222), we get a palindrome (25488452).

The spelling of 22235230 in words is "twenty-two million, two hundred thirty-five thousand, two hundred thirty".

Divisors: 1 2 5 10 47 94 235 470 47309 94618 236545 473090 2223523 4447046 11117615 22235230