22777750550 has 12 divisors (see below), whose sum is σ = 42366616116. Its totient is φ = 9111100200.

The previous prime is 22777750549. The next prime is 22777750573. The reversal of 22777750550 is 5505777722.

It is a junction number, because it is equal to n+sod(n) for n = 22777750495 and 22777750504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227777456 + ... + 227777555.

It is an arithmetic number, because the mean of its divisors is an integer number (3530551343).

Almost surely, 2^22777750550 is an apocalyptic number.

22777750550 is a deficient number, since it is larger than the sum of its proper divisors (19588865566).

22777750550 is a wasteful number, since it uses less digits than its factorization.

22777750550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455555023 (or 455555018 counting only the distinct ones).

The product of its (nonzero) digits is 1200500, while the sum is 47.

The spelling of 22777750550 in words is "twenty-two billion, seven hundred seventy-seven million, seven hundred fifty thousand, five hundred fifty".