22669377778 has 16 divisors (see below), whose sum is σ = 35772840000. Its totient is φ = 10758347152.

The previous prime is 22669377769. The next prime is 22669377791. The reversal of 22669377778 is 87777396622.

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, 3308878 + ... + 3315721.

It is an arithmetic number, because the mean of its divisors is an integer number (2235802500).

Almost surely, 2^22669377778 is an apocalyptic number.

22669377778 is a deficient number, since it is larger than the sum of its proper divisors (13103462222).

22669377778 is a wasteful number, since it uses less digits than its factorization.

22669377778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6624689.

The product of its digits is 74680704, while the sum is 64.

The spelling of 22669377778 in words is "twenty-two billion, six hundred sixty-nine million, three hundred seventy-seven thousand, seven hundred seventy-eight".