22784785450 has 48 divisors (see below), whose sum is σ = 48445988544. Its totient is φ = 7809984000.

The previous prime is 22784785403. The next prime is 22784785459. The reversal of 22784785450 is 5458748722.

It is not an unprimeable number, because it can be changed into a prime (22784785459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2603482 + ... + 2612218.

It is an arithmetic number, because the mean of its divisors is an integer number (1009291428).

Almost surely, 2^22784785450 is an apocalyptic number.

22784785450 is an abundant number, since it is smaller than the sum of its proper divisors (25661203094).

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

22784785450 is a wasteful number, since it uses less digits than its factorization.

22784785450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16207 (or 16202 counting only the distinct ones).

The product of its (nonzero) digits is 5017600, while the sum is 52.

The spelling of 22784785450 in words is "twenty-two billion, seven hundred eighty-four million, seven hundred eighty-five thousand, four hundred fifty".