223694242 has 4 divisors (see below), whose sum is σ = 335541366. Its totient is φ = 111847120.

The previous prime is 223694221. The next prime is 223694243. The reversal of 223694242 is 242496322.

223694242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 204518601 + 19175641 = 14301^2 + 4379^2 .

It is a super-2 number, since 2×223694242² = 100078227807909128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223694198 and 223694207.

It is not an unprimeable number, because it can be changed into a prime (223694243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55923559 + ... + 55923562.

Almost surely, 2^223694242 is an apocalyptic number.

223694242 is a deficient number, since it is larger than the sum of its proper divisors (111847124).

223694242 is a wasteful number, since it uses less digits than its factorization.

223694242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111847123.

The product of its digits is 41472, while the sum is 34.

The square root of 223694242 is about 14956.4114011350. The cubic root of 223694242 is about 607.0413407624.

The spelling of 223694242 in words is "two hundred twenty-three million, six hundred ninety-four thousand, two hundred forty-two".