401322204 has 18 divisors (see below), whose sum is σ = 1014453440. Its totient is φ = 133774056.

The previous prime is 401322203. The next prime is 401322221. The reversal of 401322204 is 402223104.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×401322204² = 322119022846835232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401322203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5573884 + ... + 5573955.

Almost surely, 2^401322204 is an apocalyptic number.

It is an amenable number.

401322204 is an abundant number, since it is smaller than the sum of its proper divisors (613131236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401322204 is a wasteful number, since it uses less digits than its factorization.

401322204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11147849 (or 11147844 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 401322204 is about 20033.0278290627. The cubic root of 401322204 is about 737.6172470491.

Adding to 401322204 its reverse (402223104), we get a palindrome (803545308).

The spelling of 401322204 in words is "four hundred one million, three hundred twenty-two thousand, two hundred four".