22951506 has 16 divisors (see below), whose sum is σ = 48319200. Its totient is φ = 7247808.

The previous prime is 22951477. The next prime is 22951517. The reversal of 22951506 is 60515922.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100551 + ... + 100778.

It is an arithmetic number, because the mean of its divisors is an integer number (3019950).

Almost surely, 2^22951506 is an apocalyptic number.

22951506 is an abundant number, since it is smaller than the sum of its proper divisors (25367694).

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

22951506 is a wasteful number, since it uses less digits than its factorization.

22951506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201353.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 22951506 is about 4790.7730065199. The cubic root of 22951506 is about 284.1866870807.

The spelling of 22951506 in words is "twenty-two million, nine hundred fifty-one thousand, five hundred six".