22778040250 has 64 divisors (see below), whose sum is σ = 49459587840. Its totient is φ = 7693012800.

The previous prime is 22778040247. The next prime is 22778040269. The reversal of 22778040250 is 5204087722.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20116 + ... + 214384.

It is an arithmetic number, because the mean of its divisors is an integer number (772806060).

Almost surely, 2^22778040250 is an apocalyptic number.

22778040250 is an abundant number, since it is smaller than the sum of its proper divisors (26681547590).

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

22778040250 is a wasteful number, since it uses less digits than its factorization.

22778040250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194360 (or 194350 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The spelling of 22778040250 in words is "twenty-two billion, seven hundred seventy-eight million, forty thousand, two hundred fifty".