224890788 has 12 divisors (see below), whose sum is σ = 524745200. Its totient is φ = 74963592.

The previous prime is 224890777. The next prime is 224890789. The reversal of 224890788 is 887098422.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×224890788³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (224890789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9370438 + ... + 9370461.

Almost surely, 2^224890788 is an apocalyptic number.

It is an amenable number.

224890788 is an abundant number, since it is smaller than the sum of its proper divisors (299854412).

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

224890788 is a wasteful number, since it uses less digits than its factorization.

224890788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18740906 (or 18740904 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 224890788 is about 14996.3591581424. The cubic root of 224890788 is about 608.1217763061.

The spelling of 224890788 in words is "two hundred twenty-four million, eight hundred ninety thousand, seven hundred eighty-eight".