401873022 has 16 divisors (see below), whose sum is σ = 893051280. Its totient is φ = 133957656.

The previous prime is 401872987. The next prime is 401873053. The reversal of 401873022 is 220378104.

It is a super-2 number, since 2×401873022² = 323003851622824968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3720993 + ... + 3721100.

It is an arithmetic number, because the mean of its divisors is an integer number (55815705).

Almost surely, 2^401873022 is an apocalyptic number.

401873022 is an abundant number, since it is smaller than the sum of its proper divisors (491178258).

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

401873022 is a wasteful number, since it uses less digits than its factorization.

401873022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7442104 (or 7442098 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 401873022 is about 20046.7708621613. The cubic root of 401873022 is about 737.9545546740.

The spelling of 401873022 in words is "four hundred one million, eight hundred seventy-three thousand, twenty-two".