22855536 has 120 divisors (see below), whose sum is σ = 71495424. Its totient is φ = 6756480.

The previous prime is 22855523. The next prime is 22855571. The reversal of 22855536 is 63555822.

It is a happy number.

22855536 is a `hidden beast` number, since 22 + 85 + 553 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22855536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74295 + ... + 74601.

Almost surely, 2^22855536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22855536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35747712).

22855536 is an abundant number, since it is smaller than the sum of its proper divisors (48639888).

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

22855536 is a wasteful number, since it uses less digits than its factorization.

22855536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 370 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 22855536 is about 4780.7463852415. The cubic root of 22855536 is about 283.7900319360.

It can be divided in two parts, 22 and 855536, that added together give a palindrome (855558).

The spelling of 22855536 in words is "twenty-two million, eight hundred fifty-five thousand, five hundred thirty-six".