224030640 has 80 divisors (see below), whose sum is σ = 695955456. Its totient is φ = 59616000.

The previous prime is 224030621. The next prime is 224030657. The reversal of 224030640 is 46030422.

It is a tau number, because it is divible by the number of its divisors (80).

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, 194065 + ... + 195215.

Almost surely, 2^224030640 is an apocalyptic number.

224030640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224030640 is an abundant number, since it is smaller than the sum of its proper divisors (471924816).

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

224030640 is a wasteful number, since it uses less digits than its factorization.

224030640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978 (or 1972 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 224030640 is about 14967.6531226509. The cubic root of 224030640 is about 607.3454839121.

The spelling of 224030640 in words is "two hundred twenty-four million, thirty thousand, six hundred forty".