224012985 has 96 divisors (see below), whose sum is σ = 443815680. Its totient is φ = 94431744.

The previous prime is 224012969. The next prime is 224012993. The reversal of 224012985 is 589210422.

It is not a de Polignac number, because 224012985 - 2⁴ = 224012969 is a prime.

It is a super-2 number, since 2×224012985² = 100363634897220450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2055111 + ... + 2055219.

It is an arithmetic number, because the mean of its divisors is an integer number (4623080).

Almost surely, 2^224012985 is an apocalyptic number.

It is an amenable number.

224012985 is a deficient number, since it is larger than the sum of its proper divisors (219802695).

224012985 is a wasteful number, since it uses less digits than its factorization.

224012985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 224012985 is about 14967.0633392125. The cubic root of 224012985 is about 607.3295292995.

It can be divided in two parts, 2240 and 12985, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 224012985 in words is "two hundred twenty-four million, twelve thousand, nine hundred eighty-five".