22082878 has 4 divisors (see below), whose sum is σ = 33124320. Its totient is φ = 11041438.

The previous prime is 22082873. The next prime is 22082899. The reversal of 22082878 is 87828022.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22082873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5520718 + ... + 5520721.

It is an arithmetic number, because the mean of its divisors is an integer number (8281080).

Almost surely, 2^22082878 is an apocalyptic number.

22082878 is a deficient number, since it is larger than the sum of its proper divisors (11041442).

22082878 is a wasteful number, since it uses less digits than its factorization.

22082878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11041441.

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 22082878 is about 4699.2422793467. The cubic root of 22082878 is about 280.5553518688. Note that the first 3 decimals are identical.

The spelling of 22082878 in words is "twenty-two million, eighty-two thousand, eight hundred seventy-eight".