22835780 has 48 divisors (see below), whose sum is σ = 54601344. Its totient is φ = 7941120.

The previous prime is 22835779. The next prime is 22835851. The reversal of 22835780 is 8753822.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22835780.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2804 + ... + 7316.

It is an arithmetic number, because the mean of its divisors is an integer number (1137528).

Almost surely, 2^22835780 is an apocalyptic number.

22835780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22835780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27300672).

22835780 is an abundant number, since it is smaller than the sum of its proper divisors (31765564).

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

22835780 is a wasteful number, since it uses less digits than its factorization.

22835780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4556 (or 4554 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 22835780 is about 4778.6797339851. The cubic root of 22835780 is about 283.7082403435.

The spelling of 22835780 in words is "twenty-two million, eight hundred thirty-five thousand, seven hundred eighty".