224003040 has 48 divisors (see below), whose sum is σ = 705611088. Its totient is φ = 59734016.

The previous prime is 224003009. The next prime is 224003051. The reversal of 224003040 is 40300422.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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

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, 232857 + ... + 233816.

It is an arithmetic number, because the mean of its divisors is an integer number (14700231).

Almost surely, 2^224003040 is an apocalyptic number.

224003040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224003040 is an abundant number, since it is smaller than the sum of its proper divisors (481608048).

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

224003040 is a wasteful number, since it uses less digits than its factorization.

224003040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466691 (or 466683 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 224003040 is about 14966.7311060231. The cubic root of 224003040 is about 607.3205417527.

Adding to 224003040 its reverse (40300422), we get a palindrome (264303462).

The spelling of 224003040 in words is "two hundred twenty-four million, three thousand, forty".