722254000457 has 4 divisors (see below), whose sum is σ = 787913455056. Its totient is φ = 656594545860.

The previous prime is 722254000427. The next prime is 722254000459. The reversal of 722254000457 is 754000452227.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 754000452227 = 11 ⋅68545495657.

It is not a de Polignac number, because 722254000457 - 2⁸ = 722254000201 is a prime.

It is a super-2 number, since 2×722254000457² (a number of 25 digits) 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 722254000457.

It is not an unprimeable number, because it can be changed into a prime (722254000459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32829727283 + ... + 32829727304.

It is an arithmetic number, because the mean of its divisors is an integer number (196978363764).

Almost surely, 2^722254000457 is an apocalyptic number.

It is an amenable number.

722254000457 is a deficient number, since it is larger than the sum of its proper divisors (65659454599).

722254000457 is a wasteful number, since it uses less digits than its factorization.

722254000457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65659454598.

The product of its (nonzero) digits is 156800, while the sum is 38.

The spelling of 722254000457 in words is "seven hundred twenty-two billion, two hundred fifty-four million, four hundred fifty-seven", and thus it is an aban number.