42222222193 has 16 divisors (see below), whose sum is σ = 46736078976. Its totient is φ = 37940348160.

The previous prime is 42222222151. The next prime is 42222222223. The reversal of 42222222193 is 39122222224.

It is a cyclic number.

It is not a de Polignac number, because 42222222193 - 2²¹ = 42220125041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42222222113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111730 + ... + 311332.

It is an arithmetic number, because the mean of its divisors is an integer number (2921004936).

Almost surely, 2^42222222193 is an apocalyptic number.

It is an amenable number.

42222222193 is a deficient number, since it is larger than the sum of its proper divisors (4513856783).

42222222193 is a wasteful number, since it uses less digits than its factorization.

42222222193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200184.

The product of its digits is 13824, while the sum is 31.

Adding to 42222222193 its sum of digits (31), we get a palindrome (42222222224).

The spelling of 42222222193 in words is "forty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred ninety-three".