722474622 has 48 divisors (see below), whose sum is σ = 1622209680. Its totient is φ = 232108800.

The previous prime is 722474603. The next prime is 722474659. The reversal of 722474622 is 226474227.

722474622 is a `hidden beast` number, since 7 + 2 + 24 + 7 + 4 + 622 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 459097 + ... + 460667.

It is an arithmetic number, because the mean of its divisors is an integer number (33796035).

Almost surely, 2^722474622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722474622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (811104840).

722474622 is an abundant number, since it is smaller than the sum of its proper divisors (899735058).

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

722474622 is a wasteful number, since it uses less digits than its factorization.

722474622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489 (or 2486 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The square root of 722474622 is about 26878.8880350360. Note that the first 3 decimals coincide. The cubic root of 722474622 is about 897.3066068928.

The spelling of 722474622 in words is "seven hundred twenty-two million, four hundred seventy-four thousand, six hundred twenty-two".