22780068 has 24 divisors (see below), whose sum is σ = 56280672. Its totient is φ = 7146624.

The previous prime is 22780061. The next prime is 22780081. The reversal of 22780068 is 86008722.

It is not an unprimeable number, because it can be changed into a prime (22780061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55630 + ... + 56037.

It is an arithmetic number, because the mean of its divisors is an integer number (2345028).

Almost surely, 2^22780068 is an apocalyptic number.

It is an amenable number.

22780068 is an abundant number, since it is smaller than the sum of its proper divisors (33500604).

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

22780068 is a wasteful number, since it uses less digits than its factorization.

22780068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111691 (or 111689 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 22780068 is about 4772.8469491489. The cubic root of 22780068 is about 283.4773333377.

The spelling of 22780068 in words is "twenty-two million, seven hundred eighty thousand, sixty-eight".