224865840 has 40 divisors (see below), whose sum is σ = 697084848. Its totient is φ = 59964160.

The previous prime is 224865833. The next prime is 224865859. The reversal of 224865840 is 48568422.

224865840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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, 468231 + ... + 468710.

Almost surely, 2^224865840 is an apocalyptic number.

224865840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224865840 is an abundant number, since it is smaller than the sum of its proper divisors (472219008).

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

224865840 is a wasteful number, since it uses less digits than its factorization.

224865840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936957 (or 936951 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 224865840 is about 14995.5273331750. The cubic root of 224865840 is about 608.0992883787.

The spelling of 224865840 in words is "two hundred twenty-four million, eight hundred sixty-five thousand, eight hundred forty".