401222228 has 48 divisors (see below), whose sum is σ = 805992768. Its totient is φ = 173088000.

The previous prime is 401222201. The next prime is 401222233. The reversal of 401222228 is 822222104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63743 + ... + 69753.

It is an arithmetic number, because the mean of its divisors is an integer number (16791516).

Almost surely, 2^401222228 is an apocalyptic number.

It is an amenable number.

401222228 is an abundant number, since it is smaller than the sum of its proper divisors (404770540).

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

401222228 is a wasteful number, since it uses less digits than its factorization.

401222228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6104 (or 6102 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 401222228 is about 20030.5323943224. The cubic root of 401222228 is about 737.5559910761. Note that the first 3 decimals are identical.

The spelling of 401222228 in words is "four hundred one million, two hundred twenty-two thousand, two hundred twenty-eight".