22551079 has 2 divisors, whose sum is σ = 22551080. Its totient is φ = 22551078.

The previous prime is 22551059. The next prime is 22551083. The reversal of 22551079 is 97015522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22551079 - 2¹⁹ = 22026791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22551079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22551059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11275539 + 11275540.

It is an arithmetic number, because the mean of its divisors is an integer number (11275540).

Almost surely, 2^22551079 is an apocalyptic number.

22551079 is a deficient number, since it is larger than the sum of its proper divisors (1).

22551079 is an equidigital number, since it uses as much as digits as its factorization.

22551079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 22551079 is about 4748.7976372973. The cubic root of 22551079 is about 282.5242791152.

The spelling of 22551079 in words is "twenty-two million, five hundred fifty-one thousand, seventy-nine".