22951404 has 72 divisors (see below), whose sum is σ = 69234480. Its totient is φ = 6556032.

The previous prime is 22951399. The next prime is 22951421. The reversal of 22951404 is 40415922.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3124 + ... + 7460.

It is an arithmetic number, because the mean of its divisors is an integer number (961590).

Almost surely, 2^22951404 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 22951404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34617240).

22951404 is an abundant number, since it is smaller than the sum of its proper divisors (46283076).

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

22951404 is a wasteful number, since it uses less digits than its factorization.

22951404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4364 (or 4349 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 22951404 is about 4790.7623610444. The cubic root of 22951404 is about 284.1862660903.

The spelling of 22951404 in words is "twenty-two million, nine hundred fifty-one thousand, four hundred four".