22872949 has 8 divisors (see below), whose sum is σ = 25269120. Its totient is φ = 20529600.

The previous prime is 22872923. The next prime is 22872959. The reversal of 22872949 is 94927822.

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-22872949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22872959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12292 + ... + 14029.

It is an arithmetic number, because the mean of its divisors is an integer number (3158640).

Almost surely, 2^22872949 is an apocalyptic number.

It is an amenable number.

22872949 is a deficient number, since it is larger than the sum of its proper divisors (2396171).

22872949 is a wasteful number, since it uses less digits than its factorization.

22872949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26411.

The product of its digits is 145152, while the sum is 43.

The square root of 22872949 is about 4782.5671976461. The cubic root of 22872949 is about 283.8620842299.

The spelling of 22872949 in words is "twenty-two million, eight hundred seventy-two thousand, nine hundred forty-nine".