401223100 has 36 divisors (see below), whose sum is σ = 872036200. Its totient is φ = 160234560.

The previous prime is 401223073. The next prime is 401223113. The reversal of 401223100 is 1322104.

It is a super-2 number, since 2×401223100² = 321959951947220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68071 + ... + 73729.

Almost surely, 2^401223100 is an apocalyptic number.

It is an amenable number.

401223100 is an abundant number, since it is smaller than the sum of its proper divisors (470813100).

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

401223100 is a wasteful number, since it uses less digits than its factorization.

401223100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6382 (or 6375 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 401223100 is about 20030.5541610810. The cubic root of 401223100 is about 737.5565254004.

Adding to 401223100 its reverse (1322104), we get a palindrome (402545204).

The spelling of 401223100 in words is "four hundred one million, two hundred twenty-three thousand, one hundred".