401422100 has 36 divisors (see below), whose sum is σ = 899192448. Its totient is φ = 155388000.

The previous prime is 401422097. The next prime is 401422111. The reversal of 401422100 is 1224104.

It is a super-2 number, since 2×401422100² = 322279404736820000, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 61646 + ... + 67845.

It is an arithmetic number, because the mean of its divisors is an integer number (24977568).

Almost surely, 2^401422100 is an apocalyptic number.

It is an amenable number.

401422100 is an abundant number, since it is smaller than the sum of its proper divisors (497770348).

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

401422100 is a wasteful number, since it uses less digits than its factorization.

401422100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129536 (or 129529 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 401422100 is about 20035.5209565412. The cubic root of 401422100 is about 737.6784438454.

Adding to 401422100 its reverse (1224104), we get a palindrome (402646204).

The spelling of 401422100 in words is "four hundred one million, four hundred twenty-two thousand, one hundred".