22355136 has 112 divisors (see below), whose sum is σ = 69677280. Its totient is φ = 7004160.

The previous prime is 22355107. The next prime is 22355147. The reversal of 22355136 is 63155322.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 28996 + ... + 29756.

Almost surely, 2^22355136 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 22355136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34838640).

22355136 is an abundant number, since it is smaller than the sum of its proper divisors (47322144).

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

22355136 is a wasteful number, since it uses less digits than its factorization.

22355136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799 (or 783 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 22355136 is about 4728.1218258416. The cubic root of 22355136 is about 281.7036270644.

The spelling of 22355136 in words is "twenty-two million, three hundred fifty-five thousand, one hundred thirty-six".