2222164961 has 2 divisors, whose sum is σ = 2222164962. Its totient is φ = 2222164960.

The previous prime is 2222164957. The next prime is 2222164993. The reversal of 2222164961 is 1694612222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1731808225 + 490356736 = 41615^2 + 22144^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222164961 - 2² = 2222164957 is a prime.

It is a super-2 number, since 2×2222164961² = 9876034227792263042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2222161961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111082480 + 1111082481.

It is an arithmetic number, because the mean of its divisors is an integer number (1111082481).

Almost surely, 2^2222164961 is an apocalyptic number.

It is an amenable number.

2222164961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222164961 is an equidigital number, since it uses as much as digits as its factorization.

2222164961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 2222164961 is about 47139.8447282127. The cubic root of 2222164961 is about 1304.9446717880.

The spelling of 2222164961 in words is "two billion, two hundred twenty-two million, one hundred sixty-four thousand, nine hundred sixty-one".