22506348 has 12 divisors (see below), whose sum is σ = 52514840. Its totient is φ = 7502112.

The previous prime is 22506347. The next prime is 22506353. The reversal of 22506348 is 84360522.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (22506343) 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, 937753 + ... + 937776.

Almost surely, 2^22506348 is an apocalyptic number.

It is an amenable number.

22506348 is an abundant number, since it is smaller than the sum of its proper divisors (30008492).

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

22506348 is a wasteful number, since it uses less digits than its factorization.

22506348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875536 (or 1875534 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 22506348 is about 4744.0855810156. The cubic root of 22506348 is about 282.3373559310.

The spelling of 22506348 in words is "twenty-two million, five hundred six thousand, three hundred forty-eight".