22672947 has 16 divisors (see below), whose sum is σ = 34715520. Its totient is φ = 13017600.

The previous prime is 22672939. The next prime is 22672999. The reversal of 22672947 is 74927622.

It is not a de Polignac number, because 22672947 - 2³ = 22672939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22672147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17454 + ... + 18707.

It is an arithmetic number, because the mean of its divisors is an integer number (2169720).

Almost surely, 2^22672947 is an apocalyptic number.

22672947 is a deficient number, since it is larger than the sum of its proper divisors (12042573).

22672947 is a wasteful number, since it uses less digits than its factorization.

22672947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36194.

The product of its digits is 84672, while the sum is 39.

The square root of 22672947 is about 4761.6118069410. The cubic root of 22672947 is about 283.0322937172.

The spelling of 22672947 in words is "twenty-two million, six hundred seventy-two thousand, nine hundred forty-seven".