224893905 has 16 divisors (see below), whose sum is σ = 361718784. Its totient is φ = 119313920.

The previous prime is 224893883. The next prime is 224893987. The reversal of 224893905 is 509398422.

It is not a de Polignac number, because 224893905 - 2⁵ = 224893873 is a prime.

It is a super-2 number, since 2×224893905² = 101154537012298050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36384 + ... + 42113.

It is an arithmetic number, because the mean of its divisors is an integer number (22607424).

Almost surely, 2^224893905 is an apocalyptic number.

It is an amenable number.

224893905 is a deficient number, since it is larger than the sum of its proper divisors (136824879).

224893905 is a wasteful number, since it uses less digits than its factorization.

224893905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78696.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 224893905 is about 14996.4630830073. The cubic root of 224893905 is about 608.1245858280.

The spelling of 224893905 in words is "two hundred twenty-four million, eight hundred ninety-three thousand, nine hundred five".