722225652 has 24 divisors (see below), whose sum is σ = 1697320800. Its totient is φ = 239009376.

The previous prime is 722225639. The next prime is 722225653. The reversal of 722225652 is 256522227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722225653) 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, 214827 + ... + 218162.

It is an arithmetic number, because the mean of its divisors is an integer number (70721700).

Almost surely, 2^722225652 is an apocalyptic number.

It is an amenable number.

722225652 is an abundant number, since it is smaller than the sum of its proper divisors (975095148).

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

722225652 is a wasteful number, since it uses less digits than its factorization.

722225652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433135 (or 433133 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 722225652 is about 26874.2563059892. The cubic root of 722225652 is about 897.2035222602.

Adding to 722225652 its reverse (256522227), we get a palindrome (978747879).

The spelling of 722225652 in words is "seven hundred twenty-two million, two hundred twenty-five thousand, six hundred fifty-two".