722474148 has 48 divisors (see below), whose sum is σ = 1845043200. Its totient is φ = 218215200.

The previous prime is 722474141. The next prime is 722474167. The reversal of 722474148 is 841474227.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (722474141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32253 + ... + 49851.

It is an arithmetic number, because the mean of its divisors is an integer number (38438400).

Almost surely, 2^722474148 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 722474148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (922521600).

722474148 is an abundant number, since it is smaller than the sum of its proper divisors (1122569052).

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

722474148 is a wasteful number, since it uses less digits than its factorization.

722474148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17928 (or 17926 counting only the distinct ones).

The product of its digits is 100352, while the sum is 39.

The square root of 722474148 is about 26878.8792177055. The cubic root of 722474148 is about 897.3064106583.

The spelling of 722474148 in words is "seven hundred twenty-two million, four hundred seventy-four thousand, one hundred forty-eight".