961222132 has 24 divisors (see below), whose sum is σ = 1818101096. Its totient is φ = 442032768.

The previous prime is 961222127. The next prime is 961222181. The reversal of 961222132 is 231222169.

It can be written as a sum of positive squares in 4 ways, for example, as 119990116 + 841232016 = 10954^2 + 29004^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 961222132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18963 + ... + 47770.

Almost surely, 2^961222132 is an apocalyptic number.

It is an amenable number.

961222132 is a deficient number, since it is larger than the sum of its proper divisors (856878964).

961222132 is a wasteful number, since it uses less digits than its factorization.

961222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67027 (or 67025 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 961222132 is about 31003.5825671808. The cubic root of 961222132 is about 986.9032684250.

The spelling of 961222132 in words is "nine hundred sixty-one million, two hundred twenty-two thousand, one hundred thirty-two".