223029998 has 4 divisors (see below), whose sum is σ = 334545000. Its totient is φ = 111514998.

The previous prime is 223029991. The next prime is 223030007. The reversal of 223029998 is 899920322.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223029991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55757498 + ... + 55757501.

It is an arithmetic number, because the mean of its divisors is an integer number (83636250).

Almost surely, 2^223029998 is an apocalyptic number.

223029998 is a deficient number, since it is larger than the sum of its proper divisors (111515002).

223029998 is a wasteful number, since it uses less digits than its factorization.

223029998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111515001.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 223029998 is about 14934.1888966224. The cubic root of 223029998 is about 606.4398898132.

The spelling of 223029998 in words is "two hundred twenty-three million, twenty-nine thousand, nine hundred ninety-eight".