223857404 has 12 divisors (see below), whose sum is σ = 393740424. Its totient is φ = 111360144.

The previous prime is 223857383. The next prime is 223857457. The reversal of 223857404 is 404758322.

It is a super-2 number, since 2×223857404² = 100224274651238432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141254 + ... + 142829.

It is an arithmetic number, because the mean of its divisors is an integer number (32811702).

Almost surely, 2^223857404 is an apocalyptic number.

It is an amenable number.

223857404 is a deficient number, since it is larger than the sum of its proper divisors (169883020).

223857404 is a wasteful number, since it uses less digits than its factorization.

223857404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284284 (or 284282 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 223857404 is about 14961.8649907022. The cubic root of 223857404 is about 607.1888963526.

The spelling of 223857404 in words is "two hundred twenty-three million, eight hundred fifty-seven thousand, four hundred four".