22778891054 has 16 divisors (see below), whose sum is σ = 34330489200. Its totient is φ = 11335464000.

The previous prime is 22778891053. The next prime is 22778891071. The reversal of 22778891054 is 45019887722.

It is a junction number, because it is equal to n+sod(n) for n = 22778890987 and 22778891005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22778891053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672722 + ... + 705770.

It is an arithmetic number, because the mean of its divisors is an integer number (2145655575).

Almost surely, 2^22778891054 is an apocalyptic number.

22778891054 is a deficient number, since it is larger than the sum of its proper divisors (11551598146).

22778891054 is a wasteful number, since it uses less digits than its factorization.

22778891054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34675.

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 22778891054 in words is "twenty-two billion, seven hundred seventy-eight million, eight hundred ninety-one thousand, fifty-four".