401155522 has 8 divisors (see below), whose sum is σ = 609350400. Its totient is φ = 198038724.

The previous prime is 401155501. The next prime is 401155523. The reversal of 401155522 is 225551104.

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

It is not an unprimeable number, because it can be changed into a prime (401155523) 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, 1269322 + ... + 1269637.

It is an arithmetic number, because the mean of its divisors is an integer number (76168800).

Almost surely, 2^401155522 is an apocalyptic number.

401155522 is a deficient number, since it is larger than the sum of its proper divisors (208194878).

401155522 is a wasteful number, since it uses less digits than its factorization.

401155522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539040.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 401155522 is about 20028.8672170944. The cubic root of 401155522 is about 737.5151141976.

The spelling of 401155522 in words is "four hundred one million, one hundred fifty-five thousand, five hundred twenty-two".