223012394 has 16 divisors (see below), whose sum is σ = 374793696. Its totient is φ = 98629200.

The previous prime is 223012369. The next prime is 223012399. The reversal of 223012394 is 493210322.

223012394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×223012394² = 99469055755222472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (223012399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136172 + ... + 137799.

It is an arithmetic number, because the mean of its divisors is an integer number (23424606).

Almost surely, 2^223012394 is an apocalyptic number.

223012394 is a deficient number, since it is larger than the sum of its proper divisors (151781302).

223012394 is a wasteful number, since it uses less digits than its factorization.

223012394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274021.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 223012394 is about 14933.5994991161. The cubic root of 223012394 is about 606.4239337403.

The spelling of 223012394 in words is "two hundred twenty-three million, twelve thousand, three hundred ninety-four".