22214636 has 12 divisors (see below), whose sum is σ = 39233040. Its totient is φ = 11005200.

The previous prime is 22214627. The next prime is 22214641. The reversal of 22214636 is 63641222.

It is a super-2 number, since 2×22214636² = 986980105224992, 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, 25040 + ... + 25911.

It is an arithmetic number, because the mean of its divisors is an integer number (3269420).

Almost surely, 2^22214636 is an apocalyptic number.

It is an amenable number.

22214636 is a deficient number, since it is larger than the sum of its proper divisors (17018404).

22214636 is a wasteful number, since it uses less digits than its factorization.

22214636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51064 (or 51062 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 22214636 is about 4713.2404988500. The cubic root of 22214636 is about 281.1122257879.

Adding to 22214636 its reverse (63641222), we get a palindrome (85855858).

The spelling of 22214636 in words is "twenty-two million, two hundred fourteen thousand, six hundred thirty-six".