42320222 has 24 divisors (see below), whose sum is σ = 76395960. Its totient is φ = 17510640.

The previous prime is 42320203. The next prime is 42320237. The reversal of 42320222 is 22202324.

It is a self number, because there is not a number n which added to its sum of digits gives 42320222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4604 + ... + 10287.

It is an arithmetic number, because the mean of its divisors is an integer number (3183165).

Almost surely, 2^42320222 is an apocalyptic number.

42320222 is a deficient number, since it is larger than the sum of its proper divisors (34075738).

42320222 is a wasteful number, since it uses less digits than its factorization.

42320222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14936 (or 14929 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 42320222 is about 6505.3994496879. The cubic root of 42320222 is about 348.4838416663.

Adding to 42320222 its reverse (22202324), we get a palindrome (64522546).

The spelling of 42320222 in words is "forty-two million, three hundred twenty thousand, two hundred twenty-two".