22221876 has 24 divisors (see below), whose sum is σ = 52436160. Its totient is φ = 7323712.

The previous prime is 22221853. The next prime is 22221889. The reversal of 22221876 is 67812222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9336 + ... + 11471.

It is an arithmetic number, because the mean of its divisors is an integer number (2184840).

Almost surely, 2^22221876 is an apocalyptic number.

It is an amenable number.

22221876 is an abundant number, since it is smaller than the sum of its proper divisors (30214284).

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

22221876 is a wasteful number, since it uses less digits than its factorization.

22221876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20903 (or 20901 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 22221876 is about 4714.0084853551. The cubic root of 22221876 is about 281.1427616840.

The spelling of 22221876 in words is "twenty-two million, two hundred twenty-one thousand, eight hundred seventy-six".