22522399 has 8 divisors (see below), whose sum is σ = 24617088. Its totient is φ = 20513280.

The previous prime is 22522363. The next prime is 22522427. The reversal of 22522399 is 99322522.

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 22522399 - 2⁷ = 22522271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22522349) 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, 20842 + ... + 21895.

It is an arithmetic number, because the mean of its divisors is an integer number (3077136).

Almost surely, 2^22522399 is an apocalyptic number.

22522399 is a deficient number, since it is larger than the sum of its proper divisors (2094689).

22522399 is a wasteful number, since it uses less digits than its factorization.

22522399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42785.

The product of its digits is 19440, while the sum is 34.

The square root of 22522399 is about 4745.7769648394. The cubic root of 22522399 is about 282.4044587769.

The spelling of 22522399 in words is "twenty-two million, five hundred twenty-two thousand, three hundred ninety-nine".