722115 has 20 divisors (see below), whose sum is σ = 1295184. Its totient is φ = 384912.

The previous prime is 722093. The next prime is 722119. The reversal of 722115 is 511227.

It is not a de Polignac number, because 722115 - 2⁸ = 721859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (722119) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 487 + ... + 1296.

2⁷²²¹¹⁵ is an apocalyptic number.

722115 is a deficient number, since it is larger than the sum of its proper divisors (573069).

722115 is a wasteful number, since it uses less digits than its factorization.

722115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800 (or 1791 counting only the distinct ones).

The product of its digits is 140, while the sum is 18.

The square root of 722115 is about 849.7734992338. The cubic root of 722115 is about 89.7157699816.

It can be divided in two parts, 72 and 2115, that added together give a 7-th power (2187 = 3⁷).

The spelling of 722115 in words is "seven hundred twenty-two thousand, one hundred fifteen".