22871952 has 60 divisors (see below), whose sum is σ = 66229020. Its totient is φ = 7359744.

The previous prime is 22871951. The next prime is 22871963. The reversal of 22871952 is 25917822.

It can be written as a sum of positive squares in 2 ways, for example, as 19501056 + 3370896 = 4416^2 + 1836^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (22871951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1438 + ... + 6914.

It is an arithmetic number, because the mean of its divisors is an integer number (1103817).

Almost surely, 2^22871952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22871952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33114510).

22871952 is an abundant number, since it is smaller than the sum of its proper divisors (43357068).

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

22871952 is a wasteful number, since it uses less digits than its factorization.

22871952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5520 (or 5511 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 22871952 is about 4782.4629637876. The cubic root of 22871952 is about 283.8579597856.

The spelling of 22871952 in words is "twenty-two million, eight hundred seventy-one thousand, nine hundred fifty-two".