401422013 has 8 divisors (see below), whose sum is σ = 420311808. Its totient is φ = 382651984.

The previous prime is 401422009. The next prime is 401422027. The reversal of 401422013 is 310224104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401422013 - 2² = 401422009 is a prime.

It is a super-2 number, since 2×401422013² = 322279265041944338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401421982 and 401422000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401322013) 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, 23045 + ... + 36522.

It is an arithmetic number, because the mean of its divisors is an integer number (52538976).

Almost surely, 2^401422013 is an apocalyptic number.

It is an amenable number.

401422013 is a deficient number, since it is larger than the sum of its proper divisors (18889795).

401422013 is a wasteful number, since it uses less digits than its factorization.

401422013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59883.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 401422013 is about 20035.5187853971. The cubic root of 401422013 is about 737.6783905532.

Adding to 401422013 its reverse (310224104), we get a palindrome (711646117).

The spelling of 401422013 in words is "four hundred one million, four hundred twenty-two thousand, thirteen".