22987655 has 8 divisors (see below), whose sum is σ = 29207952. Its totient is φ = 17308288.

The previous prime is 22987607. The next prime is 22987673. The reversal of 22987655 is 55678922.

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 22987655 - 2¹⁰ = 22986631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135137 + ... + 135306.

It is an arithmetic number, because the mean of its divisors is an integer number (3650994).

Almost surely, 2^22987655 is an apocalyptic number.

22987655 is a deficient number, since it is larger than the sum of its proper divisors (6220297).

22987655 is a wasteful number, since it uses less digits than its factorization.

22987655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270465.

The product of its digits is 302400, while the sum is 44.

The square root of 22987655 is about 4794.5442953424. The cubic root of 22987655 is about 284.3358083896.

The spelling of 22987655 in words is "twenty-two million, nine hundred eighty-seven thousand, six hundred fifty-five".