42222320 has 60 divisors (see below), whose sum is σ = 114204744. Its totient is φ = 14474880.

The previous prime is 42222317. The next prime is 42222329. The reversal of 42222320 is 2322224.

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 11 ways as a sum of consecutive naturals, for example, 1466 + ... + 9305.

Almost surely, 2^42222320 is an apocalyptic number.

42222320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42222320 is an abundant number, since it is smaller than the sum of its proper divisors (71982424).

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

42222320 is a wasteful number, since it uses less digits than its factorization.

42222320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10798 (or 10785 counting only the distinct ones).

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

The square root of 42222320 is about 6497.8704203762. The cubic root of 42222320 is about 348.2149110712.

Adding to 42222320 its reverse (2322224), we get a palindrome (44544544).

The spelling of 42222320 in words is "forty-two million, two hundred twenty-two thousand, three hundred twenty".