22962987 has 8 divisors (see below), whose sum is σ = 34019280. Its totient is φ = 15308640.

The previous prime is 22962967. The next prime is 22962991. The reversal of 22962987 is 78926922.

It is not a de Polignac number, because 22962987 - 2¹¹ = 22960939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22962917) 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, 425214 + ... + 425267.

It is an arithmetic number, because the mean of its divisors is an integer number (4252410).

Almost surely, 2^22962987 is an apocalyptic number.

22962987 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

22962987 is a deficient number, since it is larger than the sum of its proper divisors (11056293).

22962987 is an equidigital number, since it uses as much as digits as its factorization.

22962987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850490 (or 850484 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 22962987 is about 4791.9710975756. The cubic root of 22962987 is about 284.2340652856.

The spelling of 22962987 in words is "twenty-two million, nine hundred sixty-two thousand, nine hundred eighty-seven".