222023445 has 16 divisors (see below), whose sum is σ = 405985920. Its totient is φ = 101496384.

The previous prime is 222023429. The next prime is 222023447. The reversal of 222023445 is 544320222.

It is a happy number.

It is not a de Polignac number, because 222023445 - 2⁴ = 222023429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222023447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1057150 + ... + 1057359.

It is an arithmetic number, because the mean of its divisors is an integer number (25374120).

Almost surely, 2^222023445 is an apocalyptic number.

It is an amenable number.

222023445 is a deficient number, since it is larger than the sum of its proper divisors (183962475).

222023445 is a wasteful number, since it uses less digits than its factorization.

222023445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114524.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 222023445 is about 14900.4511676660. The cubic root of 222023445 is about 605.5262093096.

Adding to 222023445 its reverse (544320222), we get a palindrome (766343667).

The spelling of 222023445 in words is "two hundred twenty-two million, twenty-three thousand, four hundred forty-five".