722337 has 32 divisors (see below), whose sum is σ = 1244160. Its totient is φ = 361920.

The previous prime is 722333. The next prime is 722341. The reversal of 722337 is 733227.

It is an interprime number because it is at equal distance from previous prime (722333) and next prime (722341).

It is not a de Polignac number, because 722337 - 2² = 722333 is a prime.

It is an Ulam number.

722337 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (722333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12214 + ... + 12272.

It is an arithmetic number, because the mean of its divisors is an integer number (38880).

2⁷²²³³⁷ is an apocalyptic number.

722337 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

722337 is a deficient number, since it is larger than the sum of its proper divisors (521823).

722337 is a wasteful number, since it uses less digits than its factorization.

722337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133.

The product of its digits is 1764, while the sum is 24.

The square root of 722337 is about 849.9041122386. The cubic root of 722337 is about 89.7249628203.

It can be divided in two parts, 7223 and 37, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 722337 in words is "seven hundred twenty-two thousand, three hundred thirty-seven".