220545079 has 2 divisors, whose sum is σ = 220545080. Its totient is φ = 220545078.

The previous prime is 220545023. The next prime is 220545107. The reversal of 220545079 is 970545022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220545079 - 2¹¹ = 220543031 is a prime.

It is a super-2 number, since 2×220545079² = 97280263742232482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220545019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110272539 + 110272540.

It is an arithmetic number, because the mean of its divisors is an integer number (110272540).

Almost surely, 2^220545079 is an apocalyptic number.

220545079 is a deficient number, since it is larger than the sum of its proper divisors (1).

220545079 is an equidigital number, since it uses as much as digits as its factorization.

220545079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 220545079 is about 14850.7602162314. The cubic root of 220545079 is about 604.1792289696.

The spelling of 220545079 in words is "two hundred twenty million, five hundred forty-five thousand, seventy-nine".