43442022 has 32 divisors (see below), whose sum is σ = 93834720. Its totient is φ = 13328640.

The previous prime is 43442011. The next prime is 43442051. The reversal of 43442022 is 22024434.

It is a self number, because there is not a number n which added to its sum of digits gives 43442022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40104 + ... + 41172.

It is an arithmetic number, because the mean of its divisors is an integer number (2932335).

Almost surely, 2^43442022 is an apocalyptic number.

43442022 is an abundant number, since it is smaller than the sum of its proper divisors (50392698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43442022 is a wasteful number, since it uses less digits than its factorization.

43442022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 43442022 is about 6591.0562127780. The cubic root of 43442022 is about 351.5361648500.

Adding to 43442022 its reverse (22024434), we get a palindrome (65466456).

The spelling of 43442022 in words is "forty-three million, four hundred forty-two thousand, twenty-two".