401020222 has 8 divisors (see below), whose sum is σ = 611391672. Its totient is φ = 197223000.

The previous prime is 401020219. The next prime is 401020229. The reversal of 401020222 is 222020104.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401020229) 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, 1643404 + ... + 1643647.

It is an arithmetic number, because the mean of its divisors is an integer number (76423959).

Almost surely, 2^401020222 is an apocalyptic number.

401020222 is a deficient number, since it is larger than the sum of its proper divisors (210371450).

401020222 is a wasteful number, since it uses less digits than its factorization.

401020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287114.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 401020222 is about 20025.4893073802. The cubic root of 401020222 is about 737.4321895711.

Adding to 401020222 its reverse (222020104), we get a palindrome (623040326).

The spelling of 401020222 in words is "four hundred one million, twenty thousand, two hundred twenty-two".