22545036 has 18 divisors (see below), whose sum is σ = 56988932. Its totient is φ = 7515000.

The previous prime is 22545013. The next prime is 22545053. The reversal of 22545036 is 63054522.

It is a tau number, because it is divible by the number of its divisors (18).

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 an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313090 + ... + 313161.

Almost surely, 2^22545036 is an apocalyptic number.

It is an amenable number.

22545036 is an abundant number, since it is smaller than the sum of its proper divisors (34443896).

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

22545036 is a wasteful number, since it uses less digits than its factorization.

22545036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626261 (or 626256 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 22545036 is about 4748.1613283460. The cubic root of 22545036 is about 282.4990409031.

Adding to 22545036 its reverse (63054522), we get a palindrome (85599558).

The spelling of 22545036 in words is "twenty-two million, five hundred forty-five thousand, thirty-six".