42222328 has 32 divisors (see below), whose sum is σ = 82558800. Its totient is φ = 20224512.

The previous prime is 42222317. The next prime is 42222329. The reversal of 42222328 is 82322224.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42222329) 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, 18768 + ... + 20896.

Almost surely, 2^42222328 is an apocalyptic number.

It is an amenable number.

42222328 is a deficient number, since it is larger than the sum of its proper divisors (40336472).

42222328 is a wasteful number, since it uses less digits than its factorization.

42222328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239 (or 2235 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 42222328 is about 6497.8710359625. The cubic root of 42222328 is about 348.2149330636.

The spelling of 42222328 in words is "forty-two million, two hundred twenty-two thousand, three hundred twenty-eight".