220531079 has 2 divisors, whose sum is σ = 220531080. Its totient is φ = 220531078.

The previous prime is 220531037. The next prime is 220531093. The reversal of 220531079 is 970135022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220531079 - 2⁸ = 220530823 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220531009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110265539 + 110265540.

It is an arithmetic number, because the mean of its divisors is an integer number (110265540).

Almost surely, 2^220531079 is an apocalyptic number.

220531079 is a deficient number, since it is larger than the sum of its proper divisors (1).

220531079 is an equidigital number, since it uses as much as digits as its factorization.

220531079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 220531079 is about 14850.2888524096. The cubic root of 220531079 is about 604.1664444507.

It can be divided in two parts, 22053 and 1079, that added together give a palindrome (23132).

The spelling of 220531079 in words is "two hundred twenty million, five hundred thirty-one thousand, seventy-nine".