722887893 has 48 divisors (see below), whose sum is σ = 1290272256. Its totient is φ = 379779840.

The previous prime is 722887877. The next prime is 722887897. The reversal of 722887893 is 398788227.

722887893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 722887893 - 2⁴ = 722887877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722887897) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 220321 + ... + 223577.

It is an arithmetic number, because the mean of its divisors is an integer number (26880672).

Almost surely, 2^722887893 is an apocalyptic number.

It is an amenable number.

722887893 is a deficient number, since it is larger than the sum of its proper divisors (567384363).

722887893 is a wasteful number, since it uses less digits than its factorization.

722887893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554 (or 3551 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 722887893 is about 26886.5745865850. The cubic root of 722887893 is about 897.4776671636.

The spelling of 722887893 in words is "seven hundred twenty-two million, eight hundred eighty-seven thousand, eight hundred ninety-three".