22965987 has 8 divisors (see below), whose sum is σ = 33405120. Its totient is φ = 13918760.

The previous prime is 22965961. The next prime is 22965989. The reversal of 22965987 is 78956922.

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

It is a cyclic number.

It is not a de Polignac number, because 22965987 - 2¹² = 22961891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22965989) 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, 347937 + ... + 348002.

It is an arithmetic number, because the mean of its divisors is an integer number (4175640).

Almost surely, 2^22965987 is an apocalyptic number.

22965987 is a deficient number, since it is larger than the sum of its proper divisors (10439133).

22965987 is a wasteful number, since it uses less digits than its factorization.

22965987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695953.

The product of its digits is 544320, while the sum is 48.

The square root of 22965987 is about 4792.2841109433. The cubic root of 22965987 is about 284.2464426688.

The spelling of 22965987 in words is "twenty-two million, nine hundred sixty-five thousand, nine hundred eighty-seven".