22522998 has 8 divisors (see below), whose sum is σ = 45046008. Its totient is φ = 7507664.

The previous prime is 22522991. The next prime is 22523023. The reversal of 22522998 is 89922522.

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

22522998 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22522991) 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, 1876911 + ... + 1876922.

It is an arithmetic number, because the mean of its divisors is an integer number (5630751).

Almost surely, 2^22522998 is an apocalyptic number.

22522998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22522998 is a wasteful number, since it uses less digits than its factorization.

22522998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753838.

The product of its digits is 51840, while the sum is 39.

The square root of 22522998 is about 4745.8400731588. The cubic root of 22522998 is about 282.4069623404.

The spelling of 22522998 in words is "twenty-two million, five hundred twenty-two thousand, nine hundred ninety-eight".