22880987 has 8 divisors (see below), whose sum is σ = 23207472. Its totient is φ = 22556800.

The previous prime is 22880981. The next prime is 22880989. The reversal of 22880987 is 78908822.

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 22880987 - 2¹⁶ = 22815451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22880981) 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, 29687 + ... + 30447.

It is an arithmetic number, because the mean of its divisors is an integer number (2900934).

Almost surely, 2^22880987 is an apocalyptic number.

22880987 is a deficient number, since it is larger than the sum of its proper divisors (326485).

22880987 is a wasteful number, since it uses less digits than its factorization.

22880987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 22880987 is about 4783.4074674859. The cubic root of 22880987 is about 283.8953318916.

It can be divided in two parts, 22880 and 987, that multiplied together give a triangular number (22582560 = T₆₇₂₀).

The spelling of 22880987 in words is "twenty-two million, eight hundred eighty thousand, nine hundred eighty-seven".