22569998 has 8 divisors (see below), whose sum is σ = 36932760. Its totient is φ = 10259080.

The previous prime is 22569991. The next prime is 22570003. The reversal of 22569998 is 89996522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22569991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512933 + ... + 512976.

It is an arithmetic number, because the mean of its divisors is an integer number (4616595).

Almost surely, 2^22569998 is an apocalyptic number.

22569998 is a deficient number, since it is larger than the sum of its proper divisors (14362762).

22569998 is a wasteful number, since it uses less digits than its factorization.

22569998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025922.

The product of its digits is 699840, while the sum is 50.

The square root of 22569998 is about 4750.7891975965. The cubic root of 22569998 is about 282.6032639951.

The spelling of 22569998 in words is "twenty-two million, five hundred sixty-nine thousand, nine hundred ninety-eight".