22022852 has 6 divisors (see below), whose sum is σ = 38539998. Its totient is φ = 11011424.

The previous prime is 22022839. The next prime is 22022879. The reversal of 22022852 is 25822022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11999296 + 10023556 = 3464^2 + 3166^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752853 + ... + 2752860.

It is an arithmetic number, because the mean of its divisors is an integer number (6423333).

Almost surely, 2^22022852 is an apocalyptic number.

It is an amenable number.

22022852 is a deficient number, since it is larger than the sum of its proper divisors (16517146).

22022852 is a wasteful number, since it uses less digits than its factorization.

22022852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505717 (or 5505715 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 22022852 is about 4692.8511589438. The cubic root of 22022852 is about 280.3009179821.

Adding to 22022852 its reverse (25822022), we get a palindrome (47844874).

The spelling of 22022852 in words is "twenty-two million, twenty-two thousand, eight hundred fifty-two".