722251152 has 120 divisors (see below), whose sum is σ = 2410571904. Its totient is φ = 197379072.

The previous prime is 722251147. The next prime is 722251183. The reversal of 722251152 is 251152227.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7608 + ... + 38760.

Almost surely, 2^722251152 is an apocalyptic number.

722251152 is a gapful number since it is divisible by the number (72) 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 722251152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1205285952).

722251152 is an abundant number, since it is smaller than the sum of its proper divisors (1688320752).

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

722251152 is a wasteful number, since it uses less digits than its factorization.

722251152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31197 (or 31188 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 722251152 is about 26874.7307335348. The cubic root of 722251152 is about 897.2140814811.

The spelling of 722251152 in words is "seven hundred twenty-two million, two hundred fifty-one thousand, one hundred fifty-two".