222042140420 has 24 divisors (see below), whose sum is σ = 476209528704. Its totient is φ = 86927135456.

The previous prime is 222042140387. The next prime is 222042140503. The reversal of 222042140420 is 24041240222.

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, 118106582 + ... + 118108461.

It is an arithmetic number, because the mean of its divisors is an integer number (19842063696).

Almost surely, 2^222042140420 is an apocalyptic number.

222042140420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222042140420 is an abundant number, since it is smaller than the sum of its proper divisors (254167388284).

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

222042140420 is a wasteful number, since it uses less digits than its factorization.

222042140420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236215099 (or 236215097 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 222042140420 its reverse (24041240222), we get a palindrome (246083380642).

The spelling of 222042140420 in words is "two hundred twenty-two billion, forty-two million, one hundred forty thousand, four hundred twenty".