722222552 has 8 divisors (see below), whose sum is σ = 1354167300. Its totient is φ = 361111272.

The previous prime is 722222537. The next prime is 722222587. The reversal of 722222552 is 255222227.

722222552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45138902 + ... + 45138917.

Almost surely, 2^722222552 is an apocalyptic number.

It is an amenable number.

722222552 is a deficient number, since it is larger than the sum of its proper divisors (631944748).

722222552 is a wasteful number, since it uses less digits than its factorization.

722222552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90277825 (or 90277821 counting only the distinct ones).

The product of its digits is 11200, while the sum is 29.

The square root of 722222552 is about 26874.1986299127. The cubic root of 722222552 is about 897.2022385733.

Adding to 722222552 its reverse (255222227), we get a palindrome (977444779).

The spelling of 722222552 in words is "seven hundred twenty-two million, two hundred twenty-two thousand, five hundred fifty-two".