22672779 has 8 divisors (see below), whose sum is σ = 31544832. Its totient is φ = 14457960.

The previous prime is 22672729. The next prime is 22672787. The reversal of 22672779 is 97727622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22672779 - 2²⁰ = 21624203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22672779.

It is not an unprimeable number, because it can be changed into a prime (22672709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164227 + ... + 164364.

It is an arithmetic number, because the mean of its divisors is an integer number (3943104).

Almost surely, 2^22672779 is an apocalyptic number.

22672779 is a deficient number, since it is larger than the sum of its proper divisors (8872053).

22672779 is a wasteful number, since it uses less digits than its factorization.

22672779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328617.

The product of its digits is 148176, while the sum is 42.

The square root of 22672779 is about 4761.5941658230. The cubic root of 22672779 is about 283.0315946529.

The spelling of 22672779 in words is "twenty-two million, six hundred seventy-two thousand, seven hundred seventy-nine".