722953283 has 4 divisors (see below), whose sum is σ = 778565088. Its totient is φ = 667341480.

The previous prime is 722953279. The next prime is 722953303. The reversal of 722953283 is 382359227.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 722953283 - 2² = 722953279 is a prime.

It is a super-2 number, since 2×722953283² = 1045322898800956178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 722953283.

It is not an unprimeable number, because it can be changed into a prime (722953243) 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, 27805883 + ... + 27805908.

It is an arithmetic number, because the mean of its divisors is an integer number (194641272).

Almost surely, 2^722953283 is an apocalyptic number.

722953283 is a deficient number, since it is larger than the sum of its proper divisors (55611805).

722953283 is a wasteful number, since it uses less digits than its factorization.

722953283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55611804.

The product of its digits is 181440, while the sum is 41.

The square root of 722953283 is about 26887.7905935017. The cubic root of 722953283 is about 897.5047272817.

The spelling of 722953283 in words is "seven hundred twenty-two million, nine hundred fifty-three thousand, two hundred eighty-three".