43222899 has 8 divisors (see below), whose sum is σ = 57757392. Its totient is φ = 28751840.

The previous prime is 43222889. The next prime is 43222901. The reversal of 43222899 is 99822234.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 43222899 - 2¹³ = 43214707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43222859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14244 + ... + 17009.

It is an arithmetic number, because the mean of its divisors is an integer number (7219674).

Almost surely, 2^43222899 is an apocalyptic number.

43222899 is a deficient number, since it is larger than the sum of its proper divisors (14534493).

43222899 is a wasteful number, since it uses less digits than its factorization.

43222899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31717.

The product of its digits is 62208, while the sum is 39.

The square root of 43222899 is about 6574.4124452304. The cubic root of 43222899 is about 350.9441149328.

The spelling of 43222899 in words is "forty-three million, two hundred twenty-two thousand, eight hundred ninety-nine".