451122221154 has 32 divisors (see below), whose sum is σ = 984379392000. Its totient is φ = 136688046800.

The previous prime is 451122221141. The next prime is 451122221159.

451122221154 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×451122221154² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (451122221159) 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 15 ways as a sum of consecutive naturals, for example, 195847 + ... + 969845.

It is an arithmetic number, because the mean of its divisors is an integer number (30761856000).

Almost surely, 2^451122221154 is an apocalyptic number.

451122221154 is an abundant number, since it is smaller than the sum of its proper divisors (533257170846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451122221154 is a wasteful number, since it uses less digits than its factorization.

451122221154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782846.

The product of its digits is 6400, while the sum is 30.

It can be divided in two parts, 451122 and 221154, that added together give a palindrome (672276).

The spelling of 451122221154 in words is "four hundred fifty-one billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred fifty-four".