224031402 has 24 divisors (see below), whose sum is σ = 554744736. Its totient is φ = 64008936.

The previous prime is 224031397. The next prime is 224031407. The reversal of 224031402 is 204130422.

It is an interprime number because it is at equal distance from previous prime (224031397) and next prime (224031407).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (224031407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 888888 + ... + 889139.

It is an arithmetic number, because the mean of its divisors is an integer number (23114364).

Almost surely, 2^224031402 is an apocalyptic number.

224031402 is an abundant number, since it is smaller than the sum of its proper divisors (330713334).

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

224031402 is a wasteful number, since it uses less digits than its factorization.

224031402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778042 (or 1778039 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 224031402 is about 14967.6785775216. The cubic root of 224031402 is about 607.3461725035.

Adding to 224031402 its reverse (204130422), we get a palindrome (428161824).

The spelling of 224031402 in words is "two hundred twenty-four million, thirty-one thousand, four hundred two".