22064955 has 24 divisors (see below), whose sum is σ = 38808336. Its totient is φ = 10697280.

The previous prime is 22064953. The next prime is 22064957. The reversal of 22064955 is 55946022.

It is an interprime number because it is at equal distance from previous prime (22064953) and next prime (22064957).

It is not a de Polignac number, because 22064955 - 2¹ = 22064953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (22064953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4264 + ... + 7893.

It is an arithmetic number, because the mean of its divisors is an integer number (1617014).

Almost surely, 2^22064955 is an apocalyptic number.

22064955 is a deficient number, since it is larger than the sum of its proper divisors (16743381).

22064955 is a wasteful number, since it uses less digits than its factorization.

22064955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12187 (or 12176 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 22064955 is about 4697.3348826755. The cubic root of 22064955 is about 280.4794294796.

The spelling of 22064955 in words is "twenty-two million, sixty-four thousand, nine hundred fifty-five".