451400122 has 8 divisors (see below), whose sum is σ = 688200372. Its totient is φ = 222000000.

The previous prime is 451400113. The next prime is 451400141. The reversal of 451400122 is 221004154.

It can be written as a sum of positive squares in 2 ways, for example, as 443565721 + 7834401 = 21061^2 + 2799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×451400122² = 407524140283229768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 451400122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1849879 + ... + 1850122.

Almost surely, 2^451400122 is an apocalyptic number.

451400122 is a deficient number, since it is larger than the sum of its proper divisors (236800250).

451400122 is a wasteful number, since it uses less digits than its factorization.

451400122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700064.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 451400122 is about 21246.1789976457. The cubic root of 451400122 is about 767.1033700624.

Adding to 451400122 its reverse (221004154), we get a palindrome (672404276).

The spelling of 451400122 in words is "four hundred fifty-one million, four hundred thousand, one hundred twenty-two".