222030030042 has 20 divisors (see below), whose sum is σ = 497511734346. Its totient is φ = 74010009960.

The previous prime is 222030029989. The next prime is 222030030059. The reversal of 222030030042 is 240030030222.

222030030042 is a `hidden beast` number, since 2 + 2 + 20 + 300 + 300 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 221566962681 + 463067361 = 470709^2 + 21519^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222030029997 and 222030030024.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 685277709 + ... + 685278032.

Almost surely, 2^222030030042 is an apocalyptic number.

222030030042 is an abundant number, since it is smaller than the sum of its proper divisors (275481704304).

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

222030030042 is a wasteful number, since it uses less digits than its factorization.

222030030042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370555755 (or 1370555746 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 222030030042 its reverse (240030030222), we get a palindrome (462060060264).

The spelling of 222030030042 in words is "two hundred twenty-two billion, thirty million, thirty thousand, forty-two".