401422043 has 4 divisors (see below), whose sum is σ = 437914968. Its totient is φ = 364929120.

The previous prime is 401422027. The next prime is 401422057. The reversal of 401422043 is 340224104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401422043 - 2⁴ = 401422027 is a prime.

It is a super-2 number, since 2×401422043² = 322279313212587698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401421043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18246446 + ... + 18246467.

It is an arithmetic number, because the mean of its divisors is an integer number (109478742).

Almost surely, 2^401422043 is an apocalyptic number.

401422043 is a deficient number, since it is larger than the sum of its proper divisors (36492925).

401422043 is a wasteful number, since it uses less digits than its factorization.

401422043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36492924.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 401422043 is about 20035.5195340675. The cubic root of 401422043 is about 737.6784089299.

Adding to 401422043 its reverse (340224104), we get a palindrome (741646147).

The spelling of 401422043 in words is "four hundred one million, four hundred twenty-two thousand, forty-three".