22906628 has 12 divisors (see below), whose sum is σ = 42196560. Its totient is φ = 10850472.

The previous prime is 22906619. The next prime is 22906649. The reversal of 22906628 is 82660922.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150626 + ... + 150777.

It is an arithmetic number, because the mean of its divisors is an integer number (3516380).

Almost surely, 2^22906628 is an apocalyptic number.

It is an amenable number.

22906628 is a deficient number, since it is larger than the sum of its proper divisors (19289932).

22906628 is a wasteful number, since it uses less digits than its factorization.

22906628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301426 (or 301424 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 22906628 is about 4786.0869193946. The cubic root of 22906628 is about 284.0013390137.

The spelling of 22906628 in words is "twenty-two million, nine hundred six thousand, six hundred twenty-eight".