22162946 has 16 divisors (see below), whose sum is σ = 36295224. Its totient is φ = 10088064.

The previous prime is 22162939. The next prime is 22162969. The reversal of 22162946 is 64926122.

It can be written as a sum of positive squares in 4 ways, for example, as 19456921 + 2706025 = 4411^2 + 1645^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3941 + ... + 7736.

Almost surely, 2^22162946 is an apocalyptic number.

22162946 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22162946 is a deficient number, since it is larger than the sum of its proper divisors (14132278).

22162946 is a wasteful number, since it uses less digits than its factorization.

22162946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11765.

The product of its digits is 10368, while the sum is 32.

The square root of 22162946 is about 4707.7538168430. The cubic root of 22162946 is about 280.8940216610.

The spelling of 22162946 in words is "twenty-two million, one hundred sixty-two thousand, nine hundred forty-six".