22724969 has 8 divisors (see below), whose sum is σ = 24373440. Its totient is φ = 21121776.

The previous prime is 22724957. The next prime is 22724983. The reversal of 22724969 is 96942722.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22724969 is a prime.

It is a super-2 number, since 2×22724969² = 1032848432101922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22724909) 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, 10277 + ... + 12290.

It is an arithmetic number, because the mean of its divisors is an integer number (3046680).

Almost surely, 2^22724969 is an apocalyptic number.

It is an amenable number.

22724969 is a deficient number, since it is larger than the sum of its proper divisors (1648471).

22724969 is a wasteful number, since it uses less digits than its factorization.

22724969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22639.

The product of its digits is 108864, while the sum is 41.

The square root of 22724969 is about 4767.0713231501. The cubic root of 22724969 is about 283.2485964210.

The spelling of 22724969 in words is "twenty-two million, seven hundred twenty-four thousand, nine hundred sixty-nine".