722344 has 16 divisors (see below), whose sum is σ = 1548000. Its totient is φ = 309552.

The previous prime is 722341. The next prime is 722353. The reversal of 722344 is 443227.

It is a super-3 number, since 3×722344³ = 1130715808333450752, which contains 333 as substring.

It is a d-powerful number, because it can be written as 7³ + 2¹⁷ + 3⁴ + 2¹⁹ + 4⁵ + 4⁸ .

It is not an unprimeable number, because it can be changed into a prime (722341) 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, 6394 + ... + 6505.

It is an arithmetic number, because the mean of its divisors is an integer number (96750).

2⁷²²³⁴⁴ is an apocalyptic number.

It is an amenable number.

722344 is an abundant number, since it is smaller than the sum of its proper divisors (825656).

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

722344 is a wasteful number, since it uses less digits than its factorization.

722344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12912 (or 12908 counting only the distinct ones).

The product of its digits is 1344, while the sum is 22.

The square root of 722344 is about 849.9082303402. The cubic root of 722344 is about 89.7252526540.

The spelling of 722344 in words is "seven hundred twenty-two thousand, three hundred forty-four", and thus it is an iban number.