722122337 has 4 divisors (see below), whose sum is σ = 726156720. Its totient is φ = 718087956.

The previous prime is 722122321. The next prime is 722122343. The reversal of 722122337 is 733221227.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 733221227 = 547 ⋅1340441.

It is a cyclic number.

It is not a de Polignac number, because 722122337 - 2⁴ = 722122321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722122307) 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, 2016923 + ... + 2017280.

It is an arithmetic number, because the mean of its divisors is an integer number (181539180).

Almost surely, 2^722122337 is an apocalyptic number.

It is an amenable number.

722122337 is a deficient number, since it is larger than the sum of its proper divisors (4034383).

722122337 is a wasteful number, since it uses less digits than its factorization.

722122337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034382.

The product of its digits is 7056, while the sum is 29.

The square root of 722122337 is about 26872.3340445150. The cubic root of 722122337 is about 897.1607383085.

The spelling of 722122337 in words is "seven hundred twenty-two million, one hundred twenty-two thousand, three hundred thirty-seven".