233222445 has 12 divisors (see below), whose sum is σ = 404252316. Its totient is φ = 124385280.

The previous prime is 233222441. The next prime is 233222449. The reversal of 233222445 is 544222332.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (233222441) and next prime (233222449).

It can be written as a sum of positive squares in 2 ways, for example, as 25948836 + 207273609 = 5094^2 + 14397^2 .

It is not a de Polignac number, because 233222445 - 2² = 233222441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233222441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2591316 + ... + 2591405.

It is an arithmetic number, because the mean of its divisors is an integer number (33687693).

Almost surely, 2^233222445 is an apocalyptic number.

It is an amenable number.

233222445 is a deficient number, since it is larger than the sum of its proper divisors (171029871).

233222445 is a wasteful number, since it uses less digits than its factorization.

233222445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5182732 (or 5182729 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 233222445 is about 15271.6222124567. The cubic root of 233222445 is about 615.5407102683.

Adding to 233222445 its reverse (544222332), we get a palindrome (777444777).

The spelling of 233222445 in words is "two hundred thirty-three million, two hundred twenty-two thousand, four hundred forty-five".