22998605 has 16 divisors (see below), whose sum is σ = 31622400. Its totient is φ = 15729792.

The previous prime is 22998587. The next prime is 22998611. The reversal of 22998605 is 50689922.

It is a cyclic number.

It is not a de Polignac number, because 22998605 - 2⁶ = 22998541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20417 + ... + 21513.

It is an arithmetic number, because the mean of its divisors is an integer number (1976400).

Almost surely, 2^22998605 is an apocalyptic number.

It is an amenable number.

22998605 is a deficient number, since it is larger than the sum of its proper divisors (8623795).

22998605 is a wasteful number, since it uses less digits than its factorization.

22998605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 22998605 is about 4795.6860823036. The cubic root of 22998605 is about 284.3809483118.

The spelling of 22998605 in words is "twenty-two million, nine hundred ninety-eight thousand, six hundred five".