722183040 has 160 divisors (see below), whose sum is σ = 2579231160. Its totient is φ = 192568320.

The previous prime is 722183039. The next prime is 722183051. The reversal of 722183040 is 40381227.

It is a tau number, because it is divible by the number of its divisors (160).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 722182995 and 722183013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44875 + ... + 58805.

Almost surely, 2^722183040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722183040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1289615580).

722183040 is an abundant number, since it is smaller than the sum of its proper divisors (1857048120).

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

722183040 is a wasteful number, since it uses less digits than its factorization.

722183040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13962 (or 13941 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 722183040 is about 26873.4634909607. The cubic root of 722183040 is about 897.1858766263.

The spelling of 722183040 in words is "seven hundred twenty-two million, one hundred eighty-three thousand, forty".