223400344 has 8 divisors (see below), whose sum is σ = 418875660. Its totient is φ = 111700168.

The previous prime is 223400329. The next prime is 223400363. The reversal of 223400344 is 443004322.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13962514 + ... + 13962529.

Almost surely, 2^223400344 is an apocalyptic number.

It is an amenable number.

223400344 is a deficient number, since it is larger than the sum of its proper divisors (195475316).

223400344 is a wasteful number, since it uses less digits than its factorization.

223400344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27925049 (or 27925045 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 223400344 is about 14946.5830208780. The cubic root of 223400344 is about 606.7753729178.

Adding to 223400344 its reverse (443004322), we get a palindrome (666404666).

The spelling of 223400344 in words is "two hundred twenty-three million, four hundred thousand, three hundred forty-four".