401254224 has 40 divisors (see below), whose sum is σ = 1184656320. Its totient is φ = 114643968.

The previous prime is 401254207. The next prime is 401254241. The reversal of 401254224 is 422452104.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (401254207) and next prime (401254241).

It is a super-2 number, since 2×401254224² = 322009904555684352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 401254194 and 401254203.

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, 596769 + ... + 597440.

It is an arithmetic number, because the mean of its divisors is an integer number (29616408).

Almost surely, 2^401254224 is an apocalyptic number.

It is an amenable number.

401254224 is an abundant number, since it is smaller than the sum of its proper divisors (783402096).

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

401254224 is a wasteful number, since it uses less digits than its factorization.

401254224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194227 (or 1194221 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 401254224 is about 20031.3310591184. The cubic root of 401254224 is about 737.5755963493.

The spelling of 401254224 in words is "four hundred one million, two hundred fifty-four thousand, two hundred twenty-four".