223825945 has 16 divisors (see below), whose sum is σ = 309310848. Its totient is φ = 152305920.

The previous prime is 223825937. The next prime is 223825963. The reversal of 223825945 is 549528322.

It is not a de Polignac number, because 223825945 - 2³ = 223825937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223825898 and 223825907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19824 + ... + 28993.

It is an arithmetic number, because the mean of its divisors is an integer number (19331928).

Almost surely, 2^223825945 is an apocalyptic number.

It is an amenable number.

223825945 is a deficient number, since it is larger than the sum of its proper divisors (85484903).

223825945 is a wasteful number, since it uses less digits than its factorization.

223825945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48960.

The product of its digits is 172800, while the sum is 40.

The square root of 223825945 is about 14960.8136476597. The cubic root of 223825945 is about 607.1604519798.

The spelling of 223825945 in words is "two hundred twenty-three million, eight hundred twenty-five thousand, nine hundred forty-five".