722122708 has 12 divisors (see below), whose sum is σ = 1276743412. Its totient is φ = 357338880.

The previous prime is 722122703. The next prime is 722122781. The reversal of 722122708 is 807221227.

It can be written as a sum of positive squares in 2 ways, for example, as 142372624 + 579750084 = 11932^2 + 24078^2 .

It is a super-3 number, since 3×722122708³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 722122708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722122703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 930183 + ... + 930958.

Almost surely, 2^722122708 is an apocalyptic number.

It is an amenable number.

722122708 is a deficient number, since it is larger than the sum of its proper divisors (554620704).

722122708 is a wasteful number, since it uses less digits than its factorization.

722122708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861242 (or 1861240 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 722122708 is about 26872.3409475245. The cubic root of 722122708 is about 897.1608919513.

It can be divided in two parts, 7221 and 22708, that added together give a square (29929 = 173²).

The spelling of 722122708 in words is "seven hundred twenty-two million, one hundred twenty-two thousand, seven hundred eight".