22636930 has 16 divisors (see below), whose sum is σ = 41321664. Its totient is φ = 8926960.

The previous prime is 22636919. The next prime is 22636949. The reversal of 22636930 is 3963622.

It is a junction number, because it is equal to n+sod(n) for n = 22636892 and 22636901.

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 7 ways as a sum of consecutive naturals, for example, 15232 + ... + 16651.

It is an arithmetic number, because the mean of its divisors is an integer number (2582604).

Almost surely, 2^22636930 is an apocalyptic number.

22636930 is a deficient number, since it is larger than the sum of its proper divisors (18684734).

22636930 is a wasteful number, since it uses less digits than its factorization.

22636930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31961.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 22636930 is about 4757.8282860986. The cubic root of 22636930 is about 282.8823444296.

The spelling of 22636930 in words is "twenty-two million, six hundred thirty-six thousand, nine hundred thirty".