22656946 has 32 divisors (see below), whose sum is σ = 38304000. Its totient is φ = 9979200.

The previous prime is 22656899. The next prime is 22656973. The reversal of 22656946 is 64965622.

It is a junction number, because it is equal to n+sod(n) for n = 22656899 and 22656908.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113755 + ... + 113953.

It is an arithmetic number, because the mean of its divisors is an integer number (1197000).

Almost surely, 2^22656946 is an apocalyptic number.

22656946 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22656946 is a deficient number, since it is larger than the sum of its proper divisors (15647054).

22656946 is a wasteful number, since it uses less digits than its factorization.

22656946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394.

The product of its digits is 155520, while the sum is 40.

The square root of 22656946 is about 4759.9313020253. The cubic root of 22656946 is about 282.9656965001.

The spelling of 22656946 in words is "twenty-two million, six hundred fifty-six thousand, nine hundred forty-six".