224578890 has 24 divisors (see below), whose sum is σ = 583905348. Its totient is φ = 59887680.

The previous prime is 224578889. The next prime is 224578919. The reversal of 224578890 is 98875422.

224578890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 191020041 + 33558849 = 13821^2 + 5793^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1247571 + ... + 1247750.

Almost surely, 2^224578890 is an apocalyptic number.

224578890 is an abundant number, since it is smaller than the sum of its proper divisors (359326458).

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

224578890 is a wasteful number, since it uses less digits than its factorization.

224578890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495334 (or 2495331 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 224578890 is about 14985.9564259342. The cubic root of 224578890 is about 607.8405142772.

The spelling of 224578890 in words is "two hundred twenty-four million, five hundred seventy-eight thousand, eight hundred ninety".