401005622 has 8 divisors (see below), whose sum is σ = 636891336. Its totient is φ = 188708512.

The previous prime is 401005613. The next prime is 401005679. The reversal of 401005622 is 226500104.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 401005594 and 401005603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5897108 + ... + 5897175.

It is an arithmetic number, because the mean of its divisors is an integer number (79611417).

Almost surely, 2^401005622 is an apocalyptic number.

401005622 is a deficient number, since it is larger than the sum of its proper divisors (235885714).

401005622 is a wasteful number, since it uses less digits than its factorization.

401005622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11794302.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 401005622 is about 20025.1247686500. The cubic root of 401005622 is about 737.4232401964.

Adding to 401005622 its reverse (226500104), we get a palindrome (627505726).

The spelling of 401005622 in words is "four hundred one million, five thousand, six hundred twenty-two".