78132322 has 16 divisors (see below), whose sum is σ = 122067000. Its totient is φ = 37461760.

The previous prime is 78132319. The next prime is 78132337. The reversal of 78132322 is 22323187.

It can be written as a sum of positive squares in 4 ways, for example, as 73427761 + 4704561 = 8569^2 + 2169^2 .

It is a super-2 number, since 2×78132322² = 12209319482223368, which contains 22 as substring.

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, 4122 + ... + 13162.

Almost surely, 2^78132322 is an apocalyptic number.

78132322 is a deficient number, since it is larger than the sum of its proper divisors (43934678).

78132322 is a wasteful number, since it uses less digits than its factorization.

78132322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9221.

The product of its digits is 4032, while the sum is 28.

The square root of 78132322 is about 8839.2489499957. The cubic root of 78132322 is about 427.5073413921.

The spelling of 78132322 in words is "seventy-eight million, one hundred thirty-two thousand, three hundred twenty-two".