222220020042 has 24 divisors (see below), whose sum is σ = 481547542944. Its totient is φ = 74062442664.

The previous prime is 222220019981. The next prime is 222220020073. The reversal of 222220020042 is 240020022222.

It is a happy number.

222220020042 is a `hidden beast` number, since 2 + 222 + 200 + 200 + 42 = 666.

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 = 222220019997 and 222220020024.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 781888 + ... + 1027515.

It is an arithmetic number, because the mean of its divisors is an integer number (20064480956).

Almost surely, 2^222220020042 is an apocalyptic number.

222220020042 is an abundant number, since it is smaller than the sum of its proper divisors (259327522902).

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

222220020042 is a wasteful number, since it uses less digits than its factorization.

222220020042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816234 (or 1816231 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 222220020042 its reverse (240020022222), we get a palindrome (462240042264).

The spelling of 222220020042 in words is "two hundred twenty-two billion, two hundred twenty million, twenty thousand, forty-two".