22252971 has 32 divisors (see below), whose sum is σ = 34272000. Its totient is φ = 12728448.

The previous prime is 22252969. The next prime is 22252981. The reversal of 22252971 is 17925222.

It is not a de Polignac number, because 22252971 - 2¹ = 22252969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22252921) 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, 43465 + ... + 43973.

It is an arithmetic number, because the mean of its divisors is an integer number (1071000).

Almost surely, 2^22252971 is an apocalyptic number.

22252971 is a deficient number, since it is larger than the sum of its proper divisors (12019029).

22252971 is a wasteful number, since it uses less digits than its factorization.

22252971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603.

The product of its digits is 5040, while the sum is 30.

The square root of 22252971 is about 4717.3054808863. The cubic root of 22252971 is about 281.2738346220.

The spelling of 22252971 in words is "twenty-two million, two hundred fifty-two thousand, nine hundred seventy-one".