722642932 has 12 divisors (see below), whose sum is σ = 1379591136. Its totient is φ = 328474040.

The previous prime is 722642927. The next prime is 722642933. The reversal of 722642932 is 239246227.

It is a junction number, because it is equal to n+sod(n) for n = 722642891 and 722642900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722642933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8211808 + ... + 8211895.

It is an arithmetic number, because the mean of its divisors is an integer number (114965928).

Almost surely, 2^722642932 is an apocalyptic number.

It is an amenable number.

722642932 is a deficient number, since it is larger than the sum of its proper divisors (656948204).

722642932 is a wasteful number, since it uses less digits than its factorization.

722642932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16423718 (or 16423716 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 722642932 is about 26882.0187485985. The cubic root of 722642932 is about 897.3762812888.

The spelling of 722642932 in words is "seven hundred twenty-two million, six hundred forty-two thousand, nine hundred thirty-two".