22026167778 has 8 divisors (see below), whose sum is σ = 44052335568. Its totient is φ = 7342055924.

The previous prime is 22026167773. The next prime is 22026167789. The reversal of 22026167778 is 87776162022.

It is a sphenic number, since it is the product of 3 distinct primes.

22026167778 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22026167773) 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, 1835513976 + ... + 1835513987.

It is an arithmetic number, because the mean of its divisors is an integer number (5506541946).

Almost surely, 2^22026167778 is an apocalyptic number.

22026167778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22026167778 is a wasteful number, since it uses less digits than its factorization.

22026167778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671027968.

The product of its (nonzero) digits is 790272, while the sum is 48.

The spelling of 22026167778 in words is "twenty-two billion, twenty-six million, one hundred sixty-seven thousand, seven hundred seventy-eight".