220858133 has 2 divisors, whose sum is σ = 220858134. Its totient is φ = 220858132.

The previous prime is 220858091. The next prime is 220858139. The reversal of 220858133 is 331858022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220760164 + 97969 = 14858^2 + 313^2 .

It is a cyclic number.

It is not a de Polignac number, because 220858133 - 2²² = 216663829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220858133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220858139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110429066 + 110429067.

It is an arithmetic number, because the mean of its divisors is an integer number (110429067).

Almost surely, 2^220858133 is an apocalyptic number.

It is an amenable number.

220858133 is a deficient number, since it is larger than the sum of its proper divisors (1).

220858133 is an equidigital number, since it uses as much as digits as its factorization.

220858133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 220858133 is about 14861.2964777640. The cubic root of 220858133 is about 604.4649623949.

The spelling of 220858133 in words is "two hundred twenty million, eight hundred fifty-eight thousand, one hundred thirty-three".