22951930 has 32 divisors (see below), whose sum is σ = 43732224. Its totient is φ = 8654976.

The previous prime is 22951927. The next prime is 22951939. The reversal of 22951930 is 3915922.

It is a junction number, because it is equal to n+sod(n) for n = 22951892 and 22951901.

It is not an unprimeable number, because it can be changed into a prime (22951939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16107 + ... + 17473.

It is an arithmetic number, because the mean of its divisors is an integer number (1366632).

Almost surely, 2^22951930 is an apocalyptic number.

22951930 is a deficient number, since it is larger than the sum of its proper divisors (20780294).

22951930 is a wasteful number, since it uses less digits than its factorization.

22951930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 22951930 is about 4790.8172580469. The cubic root of 22951930 is about 284.1884370662.

It can be divided in two parts, 2295 and 1930, that added together give a square (4225 = 65²).

The spelling of 22951930 in words is "twenty-two million, nine hundred fifty-one thousand, nine hundred thirty".