22910012 has 6 divisors (see below), whose sum is σ = 40092528. Its totient is φ = 11455004.

The previous prime is 22910011. The next prime is 22910039. The reversal of 22910012 is 21001922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22910011) 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 as a sum of consecutive naturals, namely, 2863748 + ... + 2863755.

It is an arithmetic number, because the mean of its divisors is an integer number (6682088).

Almost surely, 2^22910012 is an apocalyptic number.

It is an amenable number.

22910012 is a deficient number, since it is larger than the sum of its proper divisors (17182516).

22910012 is a wasteful number, since it uses less digits than its factorization.

22910012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5727507 (or 5727505 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 22910012 is about 4786.4404310510. The cubic root of 22910012 is about 284.0153235136.

Adding to 22910012 its reverse (21001922), we get a palindrome (43911934).

The spelling of 22910012 in words is "twenty-two million, nine hundred ten thousand, twelve".