722913909122 has 8 divisors (see below), whose sum is σ = 1097435573136. Its totient is φ = 357102051412.

The previous prime is 722913909119. The next prime is 722913909163. The reversal of 722913909122 is 221909319227.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×722913909122³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2177451368 + ... + 2177451699.

It is an arithmetic number, because the mean of its divisors is an integer number (137179446642).

Almost surely, 2^722913909122 is an apocalyptic number.

722913909122 is a deficient number, since it is larger than the sum of its proper divisors (374521664014).

722913909122 is a wasteful number, since it uses less digits than its factorization.

722913909122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354903152.

The product of its (nonzero) digits is 244944, while the sum is 47.

The spelling of 722913909122 in words is "seven hundred twenty-two billion, nine hundred thirteen million, nine hundred nine thousand, one hundred twenty-two".