722152446 has 16 divisors (see below), whose sum is σ = 1444569984. Its totient is φ = 240673304.

The previous prime is 722152441. The next prime is 722152447. The reversal of 722152446 is 644251227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722152441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52441 + ... + 64763.

It is an arithmetic number, because the mean of its divisors is an integer number (90285624).

Almost surely, 2^722152446 is an apocalyptic number.

722152446 is an abundant number, since it is smaller than the sum of its proper divisors (722417538).

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

722152446 is a wasteful number, since it uses less digits than its factorization.

722152446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22095.

The product of its digits is 26880, while the sum is 33.

The square root of 722152446 is about 26872.8942616905. The cubic root of 722152446 is about 897.1732072194.

The spelling of 722152446 in words is "seven hundred twenty-two million, one hundred fifty-two thousand, four hundred forty-six".