32222509961 has 2 divisors, whose sum is σ = 32222509962. Its totient is φ = 32222509960.

The previous prime is 32222509951. The next prime is 32222509981. The reversal of 32222509961 is 16990522223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30819558025 + 1402951936 = 175555^2 + 37456^2 .

It is a cyclic number.

It is not a de Polignac number, because 32222509961 - 2²⁶ = 32155401097 is a prime.

It is not a weakly prime, because it can be changed into another prime (32222509931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16111254980 + 16111254981.

It is an arithmetic number, because the mean of its divisors is an integer number (16111254981).

Almost surely, 2^32222509961 is an apocalyptic number.

It is an amenable number.

32222509961 is a deficient number, since it is larger than the sum of its proper divisors (1).

32222509961 is an equidigital number, since it uses as much as digits as its factorization.

32222509961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 32222509961 in words is "thirty-two billion, two hundred twenty-two million, five hundred nine thousand, nine hundred sixty-one".