223891648 has 14 divisors (see below), whose sum is σ = 444285116. Its totient is φ = 111945792.

The previous prime is 223891639. The next prime is 223891667. The reversal of 223891648 is 846198322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1749090 + ... + 1749217.

Almost surely, 2^223891648 is an apocalyptic number.

It is an amenable number.

223891648 is a deficient number, since it is larger than the sum of its proper divisors (220393468).

223891648 is an equidigital number, since it uses as much as digits as its factorization.

223891648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498319 (or 3498309 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 223891648 is about 14963.0093229938. The cubic root of 223891648 is about 607.2198558176.

The spelling of 223891648 in words is "two hundred twenty-three million, eight hundred ninety-one thousand, six hundred forty-eight".