722229126 has 16 divisors (see below), whose sum is σ = 1460689200. Its totient is φ = 238037888.

The previous prime is 722229031. The next prime is 722229133. The reversal of 722229126 is 621922227.

It is a super-2 number, since 2×722229126² = 1043229820885447752, which contains 22 as substring.

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, 675711 + ... + 676778.

It is an arithmetic number, because the mean of its divisors is an integer number (91293075).

Almost surely, 2^722229126 is an apocalyptic number.

722229126 is an abundant number, since it is smaller than the sum of its proper divisors (738460074).

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

722229126 is a wasteful number, since it uses less digits than its factorization.

722229126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352583.

The product of its digits is 12096, while the sum is 33.

The square root of 722229126 is about 26874.3209402582. The cubic root of 722229126 is about 897.2049608134.

The spelling of 722229126 in words is "seven hundred twenty-two million, two hundred twenty-nine thousand, one hundred twenty-six".