223842205 has 4 divisors (see below), whose sum is σ = 268610652. Its totient is φ = 179073760.

The previous prime is 223842191. The next prime is 223842217. The reversal of 223842205 is 502248322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 147209689 + 76632516 = 12133^2 + 8754^2 .

It is a de Polignac number, because none of the positive numbers 2^k-223842205 is a prime.

It is a Duffinian number.

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, 22384216 + ... + 22384225.

It is an arithmetic number, because the mean of its divisors is an integer number (67152663).

Almost surely, 2^223842205 is an apocalyptic number.

It is an amenable number.

223842205 is a deficient number, since it is larger than the sum of its proper divisors (44768447).

223842205 is an equidigital number, since it uses as much as digits as its factorization.

223842205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44768446.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 223842205 is about 14961.3570574330. The cubic root of 223842205 is about 607.1751541626.

The spelling of 223842205 in words is "two hundred twenty-three million, eight hundred forty-two thousand, two hundred five".