2215023169 has 2 divisors, whose sum is σ = 2215023170. Its totient is φ = 2215023168.

The previous prime is 2215023133. The next prime is 2215023233. The reversal of 2215023169 is 9613205122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2124011569 + 91011600 = 46087^2 + 9540^2 .

It is a cyclic number.

It is not a de Polignac number, because 2215023169 - 2⁹ = 2215022657 is a prime.

It is a super-2 number, since 2×2215023169² = 9812655278413605122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2215023169.

It is not a weakly prime, because it can be changed into another prime (2215023469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107511584 + 1107511585.

It is an arithmetic number, because the mean of its divisors is an integer number (1107511585).

Almost surely, 2^2215023169 is an apocalyptic number.

It is an amenable number.

2215023169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215023169 is an equidigital number, since it uses as much as digits as its factorization.

2215023169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2215023169 is about 47064.0326470225. The cubic root of 2215023169 is about 1303.5451889194.

The spelling of 2215023169 in words is "two billion, two hundred fifteen million, twenty-three thousand, one hundred sixty-nine".