401002224 has 40 divisors (see below), whose sum is σ = 1183912320. Its totient is φ = 114571968.

The previous prime is 401002193. The next prime is 401002241. The reversal of 401002224 is 422200104.

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, 596394 + ... + 597065.

It is an arithmetic number, because the mean of its divisors is an integer number (29597808).

Almost surely, 2^401002224 is an apocalyptic number.

It is an amenable number.

401002224 is an abundant number, since it is smaller than the sum of its proper divisors (782910096).

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

401002224 is a wasteful number, since it uses less digits than its factorization.

401002224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193477 (or 1193471 counting only the distinct ones).

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

The square root of 401002224 is about 20025.0399250538. The cubic root of 401002224 is about 737.4211572903.

Adding to 401002224 its reverse (422200104), we get a palindrome (823202328).

It can be divided in two parts, 40100 and 2224, that added together give a palindrome (42324).

The spelling of 401002224 in words is "four hundred one million, two thousand, two hundred twenty-four".