451122224666 has 16 divisors (see below), whose sum is σ = 687932202408. Its totient is φ = 221813164800.

The previous prime is 451122224621. The next prime is 451122224669. The reversal of 451122224666 is 666422221154.

It can be written as a sum of positive squares in 4 ways, for example, as 290504830225 + 160617394441 = 538985^2 + 400771^2 .

It is a super-2 number, since 2×451122224666² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (451122224669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125486 + ... + 958118.

Almost surely, 2^451122224666 is an apocalyptic number.

451122224666 is a deficient number, since it is larger than the sum of its proper divisors (236809977742).

451122224666 is a wasteful number, since it uses less digits than its factorization.

451122224666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837137.

The product of its digits is 276480, while the sum is 41.

The spelling of 451122224666 in words is "four hundred fifty-one billion, one hundred twenty-two million, two hundred twenty-four thousand, six hundred sixty-six".