22053212 has 6 divisors (see below), whose sum is σ = 38593128. Its totient is φ = 11026604.

The previous prime is 22053211. The next prime is 22053223. The reversal of 22053212 is 21235022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22053211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2756648 + ... + 2756655.

It is an arithmetic number, because the mean of its divisors is an integer number (6432188).

Almost surely, 2^22053212 is an apocalyptic number.

It is an amenable number.

22053212 is a deficient number, since it is larger than the sum of its proper divisors (16539916).

22053212 is a wasteful number, since it uses less digits than its factorization.

22053212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5513307 (or 5513305 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 22053212 is about 4696.0847522165. The cubic root of 22053212 is about 280.4296634681.

Adding to 22053212 its reverse (21235022), we get a palindrome (43288234).

The spelling of 22053212 in words is "twenty-two million, fifty-three thousand, two hundred twelve".