22912148 has 12 divisors (see below), whose sum is σ = 45824352. Its totient is φ = 9819480.

The previous prime is 22912147. The next prime is 22912181. The reversal of 22912148 is 84121922.

22912148 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 22912148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22912147) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 409118 + ... + 409173.

It is an arithmetic number, because the mean of its divisors is an integer number (3818696).

Almost surely, 2^22912148 is an apocalyptic number.

22912148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22912148 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22912148 is a wasteful number, since it uses less digits than its factorization.

22912148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818302 (or 818300 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 22912148 is about 4786.6635561735. The cubic root of 22912148 is about 284.0241499003.

The spelling of 22912148 in words is "twenty-two million, nine hundred twelve thousand, one hundred forty-eight".