42003222 has 16 divisors (see below), whose sum is σ = 84472752. Its totient is φ = 13923360.

The previous prime is 42003211. The next prime is 42003239. The reversal of 42003222 is 22230024.

It is a congruent number.

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, 18253 + ... + 20424.

It is an arithmetic number, because the mean of its divisors is an integer number (5279547).

Almost surely, 2^42003222 is an apocalyptic number.

42003222 is an abundant number, since it is smaller than the sum of its proper divisors (42469530).

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

42003222 is a wasteful number, since it uses less digits than its factorization.

42003222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38863.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 42003222 is about 6480.9892763374. The cubic root of 42003222 is about 347.6115529581.

Adding to 42003222 its reverse (22230024), we get a palindrome (64233246).

The spelling of 42003222 in words is "forty-two million, three thousand, two hundred twenty-two".