32772222961 has 3 divisors (see below), whose sum is σ = 32772403993. Its totient is φ = 32772041930.

The previous prime is 32772222949. The next prime is 32772222983. The reversal of 32772222961 is 16922227723.

The square root of 32772222961 is 181031.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16922227723 = 1051 ⋅16101073.

It is not a de Polignac number, because 32772222961 - 2²⁷ = 32638005233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32772222361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 90516 + ... + 271546.

Almost surely, 2^32772222961 is an apocalyptic number.

32772222961 is the 181031-st square number.

32772222961 is the 90516-th centered octagonal number.

It is an amenable number.

32772222961 is a deficient number, since it is larger than the sum of its proper divisors (181032).

32772222961 is an frugal number, since it uses more digits than its factorization.

32772222961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362062 (or 181031 counting only the distinct ones).

The product of its digits is 254016, while the sum is 43.

The spelling of 32772222961 in words is "thirty-two billion, seven hundred seventy-two million, two hundred twenty-two thousand, nine hundred sixty-one".