22782023018 has 16 divisors (see below), whose sum is σ = 35751348864. Its totient is φ = 10876729440.

The previous prime is 22782022993. The next prime is 22782023041. The reversal of 22782023018 is 81032028722.

It is a happy number.

It is a super-4 number, since 4×22782023018⁴ (a number of 43 digits) contains 4444 as substring.

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, 2951780 + ... + 2959487.

It is an arithmetic number, because the mean of its divisors is an integer number (2234459304).

Almost surely, 2^22782023018 is an apocalyptic number.

22782023018 is a deficient number, since it is larger than the sum of its proper divisors (12969325846).

22782023018 is a wasteful number, since it uses less digits than its factorization.

22782023018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5911357.

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 22782023018 in words is "twenty-two billion, seven hundred eighty-two million, twenty-three thousand, eighteen".