22495536 has 160 divisors (see below), whose sum is σ = 75947520. Its totient is φ = 6241536.

The previous prime is 22495531. The next prime is 22495547. The reversal of 22495536 is 63559422.

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

Its product of digits (64800) is a multiple of the sum of its prime factors (240).

It is a self number, because there is not a number n which added to its sum of digits gives 22495536.

It is not an unprimeable number, because it can be changed into a prime (22495531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129946 + ... + 130118.

It is an arithmetic number, because the mean of its divisors is an integer number (474672).

Almost surely, 2^22495536 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 22495536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37973760).

22495536 is an abundant number, since it is smaller than the sum of its proper divisors (53451984).

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

22495536 is a wasteful number, since it uses less digits than its factorization.

22495536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 228 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 22495536 is about 4742.9459199953. The cubic root of 22495536 is about 282.2921372746.

The spelling of 22495536 in words is "twenty-two million, four hundred ninety-five thousand, five hundred thirty-six".