224012040 has 64 divisors (see below), whose sum is σ = 768044160. Its totient is φ = 51202560.

The previous prime is 224012039. The next prime is 224012053. The reversal of 224012040 is 40210422.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 132501 + ... + 134180.

It is an arithmetic number, because the mean of its divisors is an integer number (12000690).

Almost surely, 2^224012040 is an apocalyptic number.

224012040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224012040 is an abundant number, since it is smaller than the sum of its proper divisors (544032120).

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

224012040 is a wasteful number, since it uses less digits than its factorization.

224012040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266702 (or 266698 counting only the distinct ones).

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

The square root of 224012040 is about 14967.0317698600. The cubic root of 224012040 is about 607.3286752907.

Adding to 224012040 its reverse (40210422), we get a palindrome (264222462).

The spelling of 224012040 in words is "two hundred twenty-four million, twelve thousand, forty".