224412985 has 4 divisors (see below), whose sum is σ = 269295588. Its totient is φ = 179530384.

The previous prime is 224412943. The next prime is 224412997. The reversal of 224412985 is 589214422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 169104016 + 55308969 = 13004^2 + 7437^2 .

It is a cyclic number.

It is not a de Polignac number, because 224412985 - 2¹⁹ = 223888697 is a prime.

It is a super-2 number, since 2×224412985² = 100722375673220450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22441294 + ... + 22441303.

It is an arithmetic number, because the mean of its divisors is an integer number (67323897).

Almost surely, 2^224412985 is an apocalyptic number.

It is an amenable number.

224412985 is a deficient number, since it is larger than the sum of its proper divisors (44882603).

224412985 is an equidigital number, since it uses as much as digits as its factorization.

224412985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44882602.

The product of its digits is 46080, while the sum is 37.

The square root of 224412985 is about 14980.4200541907. The cubic root of 224412985 is about 607.6907990731.

The spelling of 224412985 in words is "two hundred twenty-four million, four hundred twelve thousand, nine hundred eighty-five".