454544892722 has 54 divisors (see below), whose sum is σ = 750896500887. Its totient is φ = 206313921408.

The previous prime is 454544892721. The next prime is 454544892727. The reversal of 454544892722 is 227298445454.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 362935158481 + 91609734241 = 602441^2 + 302671^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=476731.

It is a super-2 number, since 2×454544892722² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454544892721) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 470056283 + ... + 470057249.

Almost surely, 2^454544892722 is an apocalyptic number.

454544892722 is a deficient number, since it is larger than the sum of its proper divisors (296351608165).

454544892722 is an frugal number, since it uses more digits than its factorization.

454544892722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028 (or 1015 counting only the distinct ones).

The product of its digits is 25804800, while the sum is 56.

The spelling of 454544892722 in words is "four hundred fifty-four billion, five hundred forty-four million, eight hundred ninety-two thousand, seven hundred twenty-two".