42222822 has 16 divisors (see below), whose sum is σ = 84633600. Its totient is φ = 14042952.

The previous prime is 42222793. The next prime is 42222823. The reversal of 42222822 is 22822224.

It is a junction number, because it is equal to n+sod(n) for n = 42222792 and 42222801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42222823) 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, 4822 + ... + 10377.

It is an arithmetic number, because the mean of its divisors is an integer number (5289600).

Almost surely, 2^42222822 is an apocalyptic number.

42222822 is an abundant number, since it is smaller than the sum of its proper divisors (42410778).

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

42222822 is a wasteful number, since it uses less digits than its factorization.

42222822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15667.

The product of its digits is 2048, while the sum is 24.

The square root of 42222822 is about 6497.9090483016. The cubic root of 42222822 is about 348.2162910932.

The spelling of 42222822 in words is "forty-two million, two hundred twenty-two thousand, eight hundred twenty-two".