22530212 has 12 divisors (see below), whose sum is σ = 40096560. Its totient is φ = 11074056.

The previous prime is 22530203. The next prime is 22530223. The reversal of 22530212 is 21203522.

It is a super-2 number, since 2×22530212² = 1015220905529888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47498 + ... + 47969.

It is an arithmetic number, because the mean of its divisors is an integer number (3341380).

Almost surely, 2^22530212 is an apocalyptic number.

It is an amenable number.

22530212 is a deficient number, since it is larger than the sum of its proper divisors (17566348).

22530212 is a wasteful number, since it uses less digits than its factorization.

22530212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95530 (or 95528 counting only the distinct ones).

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

The square root of 22530212 is about 4746.6000463490. The cubic root of 22530212 is about 282.4371102860.

Adding to 22530212 its reverse (21203522), we get a palindrome (43733734).

The spelling of 22530212 in words is "twenty-two million, five hundred thirty thousand, two hundred twelve".