22348428 has 24 divisors (see below), whose sum is σ = 52376688. Its totient is φ = 7416576.

The previous prime is 22348423. The next prime is 22348477. The reversal of 22348428 is 82484322.

It is not an unprimeable number, because it can be changed into a prime (22348423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1201 + ... + 6792.

It is an arithmetic number, because the mean of its divisors is an integer number (2182362).

Almost surely, 2^22348428 is an apocalyptic number.

It is an amenable number.

22348428 is an abundant number, since it is smaller than the sum of its proper divisors (30028260).

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

22348428 is a wasteful number, since it uses less digits than its factorization.

22348428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8233 (or 8231 counting only the distinct ones).

The product of its digits is 24576, while the sum is 33.

The square root of 22348428 is about 4727.4124000345. The cubic root of 22348428 is about 281.6754477537.

The spelling of 22348428 in words is "twenty-two million, three hundred forty-eight thousand, four hundred twenty-eight".