401113522 has 16 divisors (see below), whose sum is σ = 650456640. Its totient is φ = 184865328.

The previous prime is 401113511. The next prime is 401113549. The reversal of 401113522 is 225311104.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 401113522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141238 + ... + 144049.

It is an arithmetic number, because the mean of its divisors is an integer number (40653540).

Almost surely, 2^401113522 is an apocalyptic number.

401113522 is a deficient number, since it is larger than the sum of its proper divisors (249343118).

401113522 is a wasteful number, since it uses less digits than its factorization.

401113522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285345.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 401113522 is about 20027.8187029941. The cubic root of 401113522 is about 737.4893746243.

Adding to 401113522 its reverse (225311104), we get a palindrome (626424626).

The spelling of 401113522 in words is "four hundred one million, one hundred thirteen thousand, five hundred twenty-two".