22501036 has 12 divisors (see below), whose sum is σ = 39931920. Its totient is φ = 11091920.

The previous prime is 22501027. The next prime is 22501067. The reversal of 22501036 is 63010522.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39331 + ... + 39898.

It is an arithmetic number, because the mean of its divisors is an integer number (3327660).

Almost surely, 2^22501036 is an apocalyptic number.

It is an amenable number.

22501036 is a deficient number, since it is larger than the sum of its proper divisors (17430884).

22501036 is a wasteful number, since it uses less digits than its factorization.

22501036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79304 (or 79302 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 22501036 is about 4743.5256929841. The cubic root of 22501036 is about 282.3151415459.

Adding to 22501036 its reverse (63010522), we get a palindrome (85511558).

The spelling of 22501036 in words is "twenty-two million, five hundred one thousand, thirty-six".