22210844 has 6 divisors (see below), whose sum is σ = 38868984. Its totient is φ = 11105420.

The previous prime is 22210819. The next prime is 22210871. The reversal of 22210844 is 44801222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2776352 + ... + 2776359.

It is an arithmetic number, because the mean of its divisors is an integer number (6478164).

Almost surely, 2^22210844 is an apocalyptic number.

It is an amenable number.

22210844 is a deficient number, since it is larger than the sum of its proper divisors (16658140).

22210844 is a wasteful number, since it uses less digits than its factorization.

22210844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552715 (or 5552713 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 22210844 is about 4712.8382106752. The cubic root of 22210844 is about 281.0962297539.

The spelling of 22210844 in words is "twenty-two million, two hundred ten thousand, eight hundred forty-four".