22697955 has 32 divisors (see below), whose sum is σ = 46118400. Its totient is φ = 10375776.

The previous prime is 22697953. The next prime is 22697959. The reversal of 22697955 is 55979622.

It is not a de Polignac number, because 22697955 - 2¹ = 22697953 is a prime.

It is a super-2 number, since 2×22697955² = 1030394322364050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 22697955.

It is not an unprimeable number, because it can be changed into a prime (22697953) 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, 11065 + ... + 12954.

It is an arithmetic number, because the mean of its divisors is an integer number (1441200).

Almost surely, 2^22697955 is an apocalyptic number.

22697955 is an abundant number, since it is smaller than the sum of its proper divisors (23420445).

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

22697955 is a wasteful number, since it uses less digits than its factorization.

22697955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24040 (or 24034 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 22697955 is about 4764.2370847807. The cubic root of 22697955 is about 283.1363159374.

The spelling of 22697955 in words is "twenty-two million, six hundred ninety-seven thousand, nine hundred fifty-five".