23622272 has 32 divisors (see below), whose sum is σ = 47368800. Its totient is φ = 11733760.

The previous prime is 23622271. The next prime is 23622281. The reversal of 23622272 is 27222632.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (23622271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22397 + ... + 23427.

It is an arithmetic number, because the mean of its divisors is an integer number (1480275).

Almost surely, 2^23622272 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 23622272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23684400).

23622272 is an abundant number, since it is smaller than the sum of its proper divisors (23746528).

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

23622272 is a wasteful number, since it uses less digits than its factorization.

23622272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224 (or 1212 counting only the distinct ones).

The product of its digits is 4032, while the sum is 26.

The square root of 23622272 is about 4860.2748893453. The cubic root of 23622272 is about 286.9286325965.

The spelling of 23622272 in words is "twenty-three million, six hundred twenty-two thousand, two hundred seventy-two".