722802253 has 4 divisors (see below), whose sum is σ = 725126688. Its totient is φ = 720477820.

The previous prime is 722802251. The next prime is 722802271. The reversal of 722802253 is 352208227.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 722802253 - 2¹ = 722802251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722802251) 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, 1161751 + ... + 1162372.

It is an arithmetic number, because the mean of its divisors is an integer number (181281672).

Almost surely, 2^722802253 is an apocalyptic number.

It is an amenable number.

722802253 is a deficient number, since it is larger than the sum of its proper divisors (2324435).

722802253 is a wasteful number, since it uses less digits than its factorization.

722802253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324434.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 722802253 is about 26884.9819229993. The cubic root of 722802253 is about 897.4422245897.

The spelling of 722802253 in words is "seven hundred twenty-two million, eight hundred two thousand, two hundred fifty-three".