401622112 has 48 divisors (see below), whose sum is σ = 825552000. Its totient is φ = 192107520.

The previous prime is 401622083. The next prime is 401622119. The reversal of 401622112 is 211226104.

It is a super-2 number, since 2×401622112² = 322600641694681088, 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 401622112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401622119) 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, 86014 + ... + 90562.

It is an arithmetic number, because the mean of its divisors is an integer number (17199000).

Almost surely, 2^401622112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401622112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412776000).

401622112 is an abundant number, since it is smaller than the sum of its proper divisors (423929888).

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

401622112 is a wasteful number, since it uses less digits than its factorization.

401622112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4679 (or 4671 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 401622112 is about 20040.5117699125. The cubic root of 401622112 is about 737.8009417038.

Adding to 401622112 its reverse (211226104), we get a palindrome (612848216).

The spelling of 401622112 in words is "four hundred one million, six hundred twenty-two thousand, one hundred twelve".