722100523 has 2 divisors, whose sum is σ = 722100524. Its totient is φ = 722100522.

The previous prime is 722100437. The next prime is 722100649. The reversal of 722100523 is 325001227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 722100523 - 2²¹ = 720003371 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 722100494 and 722100503.

It is not a weakly prime, because it can be changed into another prime (722100023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361050261 + 361050262.

It is an arithmetic number, because the mean of its divisors is an integer number (361050262).

Almost surely, 2^722100523 is an apocalyptic number.

722100523 is a deficient number, since it is larger than the sum of its proper divisors (1).

722100523 is an equidigital number, since it uses as much as digits as its factorization.

722100523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 722100523 is about 26871.9281593264. The cubic root of 722100523 is about 897.1517043538.

The spelling of 722100523 in words is "seven hundred twenty-two million, one hundred thousand, five hundred twenty-three".