116722431 has 16 divisors (see below), whose sum is σ = 197625600. Its totient is φ = 66698424.

The previous prime is 116722429. The next prime is 116722451. The reversal of 116722431 is 134227611.

It is not a de Polignac number, because 116722431 - 2¹ = 116722429 is a prime.

It is a super-2 number, since 2×116722431² = 27248251797099522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 116722395 and 116722404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116722451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308601 + ... + 308978.

It is an arithmetic number, because the mean of its divisors is an integer number (12351600).

Almost surely, 2^116722431 is an apocalyptic number.

116722431 is a deficient number, since it is larger than the sum of its proper divisors (80903169).

116722431 is an equidigital number, since it uses as much as digits as its factorization.

116722431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617595 (or 617589 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 116722431 is about 10803.8155759898. The cubic root of 116722431 is about 488.7102427308.

The spelling of 116722431 in words is "one hundred sixteen million, seven hundred twenty-two thousand, four hundred thirty-one".