616722226 has 16 divisors (see below), whose sum is σ = 983827296. Its totient is φ = 288940096.

The previous prime is 616722199. The next prime is 616722229. The reversal of 616722226 is 622227616.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 616722191 and 616722200.

It is not an unprimeable number, because it can be changed into a prime (616722229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32236 + ... + 47671.

It is an arithmetic number, because the mean of its divisors is an integer number (61489206).

Almost surely, 2^616722226 is an apocalyptic number.

616722226 is a deficient number, since it is larger than the sum of its proper divisors (367105070).

616722226 is a wasteful number, since it uses less digits than its factorization.

616722226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80153.

The product of its digits is 24192, while the sum is 34.

The square root of 616722226 is about 24833.8926872128. The cubic root of 616722226 is about 851.1965735763.

The spelling of 616722226 in words is "six hundred sixteen million, seven hundred twenty-two thousand, two hundred twenty-six".