22861136 has 20 divisors (see below), whose sum is σ = 45723264. Its totient is φ = 11061600.

The previous prime is 22861093. The next prime is 22861147. The reversal of 22861136 is 63116822.

22861136 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22861099 and 22861108.

It is a congruent 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, 22550 + ... + 23541.

Almost surely, 2^22861136 is an apocalyptic number.

It is an amenable number.

22861136 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22861136 is a wasteful number, since it uses less digits than its factorization.

22861136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46130 (or 46124 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 22861136 is about 4781.3320319760. The cubic root of 22861136 is about 283.8132078586.

Adding to 22861136 its reverse (63116822), we get a palindrome (85977958).

The spelling of 22861136 in words is "twenty-two million, eight hundred sixty-one thousand, one hundred thirty-six".