722504226 has 32 divisors (see below), whose sum is σ = 1456044480. Its totient is φ = 239003136.

The previous prime is 722504219. The next prime is 722504227. The reversal of 722504226 is 622405227.

It is a junction number, because it is equal to n+sod(n) for n = 722504193 and 722504202.

It is not an unprimeable number, because it can be changed into a prime (722504227) 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, 556410 + ... + 557706.

It is an arithmetic number, because the mean of its divisors is an integer number (45501390).

Almost surely, 2^722504226 is an apocalyptic number.

722504226 is an abundant number, since it is smaller than the sum of its proper divisors (733540254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722504226 is a wasteful number, since it uses less digits than its factorization.

722504226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 722504226 is about 26879.4387218186. The cubic root of 722504226 is about 897.3188626875.

The spelling of 722504226 in words is "seven hundred twenty-two million, five hundred four thousand, two hundred twenty-six".