42222222988 has 12 divisors (see below), whose sum is σ = 80606062152. Its totient is φ = 19191919520.

The previous prime is 42222222937. The next prime is 42222222989. The reversal of 42222222988 is 88922222224.

It is a super-2 number, since 2×42222222988² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42222222989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479797945 + ... + 479798032.

It is an arithmetic number, because the mean of its divisors is an integer number (6717171846).

Almost surely, 2^42222222988 is an apocalyptic number.

It is an amenable number.

42222222988 is a deficient number, since it is larger than the sum of its proper divisors (38383839164).

42222222988 is a wasteful number, since it uses less digits than its factorization.

42222222988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959595992 (or 959595990 counting only the distinct ones).

The product of its digits is 294912, while the sum is 43.

The spelling of 42222222988 in words is "forty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, nine hundred eighty-eight".