22508079 has 8 divisors (see below), whose sum is σ = 32739072. Its totient is φ = 13641240.

The previous prime is 22508069. The next prime is 22508081. The reversal of 22508079 is 97080522.

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

It is not a de Polignac number, because 22508079 - 2¹⁵ = 22475311 is a prime.

It is a super-2 number, since 2×22508079² = 1013227240540482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 682063 = 22508079 / (2 + 2 + 5 + 0 + 8 + 0 + 7 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22508009) 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, 340999 + ... + 341064.

It is an arithmetic number, because the mean of its divisors is an integer number (4092384).

Almost surely, 2^22508079 is an apocalyptic number.

22508079 is a deficient number, since it is larger than the sum of its proper divisors (10230993).

22508079 is a wasteful number, since it uses less digits than its factorization.

22508079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682077.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 22508079 is about 4744.2680151948. The cubic root of 22508079 is about 282.3445940879.

The spelling of 22508079 in words is "twenty-two million, five hundred eight thousand, seventy-nine".