22223040042 has 16 divisors (see below), whose sum is σ = 50795520192. Its totient is φ = 6349440000.

The previous prime is 22223040019. The next prime is 22223040089. The reversal of 22223040042 is 24004032222.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264559959 + ... + 264560042.

It is an arithmetic number, because the mean of its divisors is an integer number (3174720012).

Almost surely, 2^22223040042 is an apocalyptic number.

22223040042 is an abundant number, since it is smaller than the sum of its proper divisors (28572480150).

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

22223040042 is a wasteful number, since it uses less digits than its factorization.

22223040042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529120013.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 22223040042 its reverse (24004032222), we get a palindrome (46227072264).

The spelling of 22223040042 in words is "twenty-two billion, two hundred twenty-three million, forty thousand, forty-two".