22363855 has 16 divisors (see below), whose sum is σ = 28454400. Its totient is φ = 16826400.

The previous prime is 22363841. The next prime is 22363867. The reversal of 22363855 is 55836322.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-22363855 is a prime.

It is a super-2 number, since 2×22363855² = 1000284020922050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22363855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13566 + ... + 15124.

It is an arithmetic number, because the mean of its divisors is an integer number (1778400).

Almost surely, 2^22363855 is an apocalyptic number.

22363855 is a deficient number, since it is larger than the sum of its proper divisors (6090545).

22363855 is a wasteful number, since it uses less digits than its factorization.

22363855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734.

The product of its digits is 43200, while the sum is 34.

The square root of 22363855 is about 4729.0437722652. The cubic root of 22363855 is about 281.7402458630.

The spelling of 22363855 in words is "twenty-two million, three hundred sixty-three thousand, eight hundred fifty-five".