224222985 has 80 divisors (see below), whose sum is σ = 463478400. Its totient is φ = 101585664.

The previous prime is 224222927. The next prime is 224222987. The reversal of 224222985 is 589222422.

It is not a de Polignac number, because 224222985 - 2⁸ = 224222729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224222987) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 393781 + ... + 394349.

It is an arithmetic number, because the mean of its divisors is an integer number (5793480).

Almost surely, 2^224222985 is an apocalyptic number.

It is an amenable number.

224222985 is an abundant number, since it is smaller than the sum of its proper divisors (239255415).

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

224222985 is a wasteful number, since it uses less digits than its factorization.

224222985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 723 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 224222985 is about 14974.0771001087. The cubic root of 224222985 is about 607.5192495044.

The spelling of 224222985 in words is "two hundred twenty-four million, two hundred twenty-two thousand, nine hundred eighty-five".