223432442 has 8 divisors (see below), whose sum is σ = 349720416. Its totient is φ = 106858972.

The previous prime is 223432427. The next prime is 223432477. The reversal of 223432442 is 244234322.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×223432442² = 99844112276166728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2428568 + ... + 2428659.

It is an arithmetic number, because the mean of its divisors is an integer number (43715052).

Almost surely, 2^223432442 is an apocalyptic number.

223432442 is a deficient number, since it is larger than the sum of its proper divisors (126287974).

223432442 is a wasteful number, since it uses less digits than its factorization.

223432442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4857252.

The product of its digits is 9216, while the sum is 26.

The square root of 223432442 is about 14947.6567394358. The cubic root of 223432442 is about 606.8044318751.

Adding to 223432442 its reverse (244234322), we get a palindrome (467666764).

The spelling of 223432442 in words is "two hundred twenty-three million, four hundred thirty-two thousand, four hundred forty-two".