400130022 has 16 divisors (see below), whose sum is σ = 800462592. Its totient is φ = 133342920.

The previous prime is 400129999. The next prime is 400130039. The reversal of 400130022 is 220031004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32583 + ... + 43149.

It is an arithmetic number, because the mean of its divisors is an integer number (50028912).

Almost surely, 2^400130022 is an apocalyptic number.

400130022 is an abundant number, since it is smaller than the sum of its proper divisors (400332570).

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

400130022 is a wasteful number, since it uses less digits than its factorization.

400130022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16883.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 400130022 is about 20003.2502858910. The cubic root of 400130022 is about 736.8861252701.

Adding to 400130022 its reverse (220031004), we get a palindrome (620161026).

The spelling of 400130022 in words is "four hundred million, one hundred thirty thousand, twenty-two".