2221572959 has 2 divisors, whose sum is σ = 2221572960. Its totient is φ = 2221572958.

The previous prime is 2221572953. The next prime is 2221572973. The reversal of 2221572959 is 9592751222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221572959 - 2²⁴ = 2204795743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221572953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110786479 + 1110786480.

It is an arithmetic number, because the mean of its divisors is an integer number (1110786480).

Almost surely, 2^2221572959 is an apocalyptic number.

2221572959 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221572959 is an equidigital number, since it uses as much as digits as its factorization.

2221572959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 44.

The square root of 2221572959 is about 47133.5650996188. The cubic root of 2221572959 is about 1304.8287790315.

The spelling of 2221572959 in words is "two billion, two hundred twenty-one million, five hundred seventy-two thousand, nine hundred fifty-nine".