401379822 has 24 divisors (see below), whose sum is σ = 870470640. Its totient is φ = 133668000.

The previous prime is 401379799. The next prime is 401379829. The reversal of 401379822 is 228973104.

It is a super-2 number, since 2×401379822² = 322211523017503368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401379829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10447 + ... + 30197.

It is an arithmetic number, because the mean of its divisors is an integer number (36269610).

Almost surely, 2^401379822 is an apocalyptic number.

401379822 is an abundant number, since it is smaller than the sum of its proper divisors (469090818).

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

401379822 is a wasteful number, since it uses less digits than its factorization.

401379822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20888 (or 20885 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 401379822 is about 20034.4658526251. The cubic root of 401379822 is about 737.6525453675.

The spelling of 401379822 in words is "four hundred one million, three hundred seventy-nine thousand, eight hundred twenty-two".