722213052 has 48 divisors (see below), whose sum is σ = 1840548864. Its totient is φ = 218592000.

The previous prime is 722213039. The next prime is 722213069. The reversal of 722213052 is 250312227.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 128052 + ... + 133572.

It is an arithmetic number, because the mean of its divisors is an integer number (38344768).

Almost surely, 2^722213052 is an apocalyptic number.

It is an amenable number.

722213052 is an abundant number, since it is smaller than the sum of its proper divisors (1118335812).

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

722213052 is a wasteful number, since it uses less digits than its factorization.

722213052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6530 (or 6528 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 722213052 is about 26874.0218798750. The cubic root of 722213052 is about 897.1983046711.

Adding to 722213052 its reverse (250312227), we get a palindrome (972525279).

The spelling of 722213052 in words is "seven hundred twenty-two million, two hundred thirteen thousand, fifty-two".