43222345 has 8 divisors (see below), whose sum is σ = 52139520. Its totient is φ = 34396080.

The previous prime is 43222337. The next prime is 43222357. The reversal of 43222345 is 54322234.

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

It is not a de Polignac number, because 43222345 - 2³ = 43222337 is a prime.

It is a super-2 number, since 2×43222345² = 3736342214598050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21675 + ... + 23584.

It is an arithmetic number, because the mean of its divisors is an integer number (6517440).

Almost surely, 2^43222345 is an apocalyptic number.

It is an amenable number.

43222345 is a deficient number, since it is larger than the sum of its proper divisors (8917175).

43222345 is a wasteful number, since it uses less digits than its factorization.

43222345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45455.

The product of its digits is 5760, while the sum is 25.

The square root of 43222345 is about 6574.3703120527. The cubic root of 43222345 is about 350.9426155434.

Adding to 43222345 its reverse (54322234), we get a palindrome (97544579).

The spelling of 43222345 in words is "forty-three million, two hundred twenty-two thousand, three hundred forty-five".