401204022 has 16 divisors (see below), whose sum is σ = 804563760. Its totient is φ = 133375392.

The previous prime is 401204003. The next prime is 401204087. The reversal of 401204022 is 220402104.

It is a junction number, because it is equal to n+sod(n) for n = 401203992 and 401204010.

It is a congruent number.

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, 87397 + ... + 91872.

It is an arithmetic number, because the mean of its divisors is an integer number (50285235).

Almost surely, 2^401204022 is an apocalyptic number.

401204022 is an abundant number, since it is smaller than the sum of its proper divisors (403359738).

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

401204022 is a wasteful number, since it uses less digits than its factorization.

401204022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179647.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 401204022 is about 20030.0779329487. The cubic root of 401204022 is about 737.5448350412.

Adding to 401204022 its reverse (220402104), we get a palindrome (621606126).

The spelling of 401204022 in words is "four hundred one million, two hundred four thousand, twenty-two".