722940120 has 384 divisors, whose sum is σ = 2954880000. Its totient is φ = 156328704.

The previous prime is 722940109. The next prime is 722940143. The reversal of 722940120 is 21049227.

It is a super-2 number, since 2×722940120² = 1045284834211228800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1005121 + ... + 1005839.

It is an arithmetic number, because the mean of its divisors is an integer number (7695000).

Almost surely, 2^722940120 is an apocalyptic number.

722940120 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722940120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1477440000).

722940120 is an abundant number, since it is smaller than the sum of its proper divisors (2231939880).

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

722940120 is a wasteful number, since it uses less digits than its factorization.

722940120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 722940120 is about 26887.5458158605. The cubic root of 722940120 is about 897.4992802140.

Adding to 722940120 its reverse (21049227), we get a palindrome (743989347).

The spelling of 722940120 in words is "seven hundred twenty-two million, nine hundred forty thousand, one hundred twenty".