22993289 has 8 divisors (see below), whose sum is σ = 25893120. Its totient is φ = 20228400.

The previous prime is 22993283. The next prime is 22993291. The reversal of 22993289 is 98239922.

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 22993289 - 2⁴ = 22993273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22993283) 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, 33374 + ... + 34055.

It is an arithmetic number, because the mean of its divisors is an integer number (3236640).

Almost surely, 2^22993289 is an apocalyptic number.

It is an amenable number.

22993289 is a deficient number, since it is larger than the sum of its proper divisors (2899831).

22993289 is a wasteful number, since it uses less digits than its factorization.

22993289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67471.

The product of its digits is 139968, while the sum is 44.

The square root of 22993289 is about 4795.1318021510. The cubic root of 22993289 is about 284.3590355970.

The spelling of 22993289 in words is "twenty-two million, nine hundred ninety-three thousand, two hundred eighty-nine".