22897956 has 24 divisors (see below), whose sum is σ = 53513824. Its totient is φ = 7620480.

The previous prime is 22897951. The next prime is 22897969. The reversal of 22897956 is 65979822.

Added to its reverse (65979822) it gives a triangular number (88877778 = T₁₃₃₃₂).

It is not an unprimeable number, because it can be changed into a prime (22897951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9516 + ... + 11676.

Almost surely, 2^22897956 is an apocalyptic number.

It is an amenable number.

22897956 is an abundant number, since it is smaller than the sum of its proper divisors (30615868).

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

22897956 is a wasteful number, since it uses less digits than its factorization.

22897956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051 (or 3049 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 22897956 is about 4785.1808743244. The cubic root of 22897956 is about 283.9654953782.

Adding to 22897956 its reverse (65979822), we get a triangular number (88877778 = T₁₃₃₃₂).

The spelling of 22897956 in words is "twenty-two million, eight hundred ninety-seven thousand, nine hundred fifty-six".