22212202 has 16 divisors (see below), whose sum is σ = 35056800. Its totient is φ = 10539760.

The previous prime is 22212199. The next prime is 22212233. The reversal of 22212202 is 20221222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177 + ... + 6667.

It is an arithmetic number, because the mean of its divisors is an integer number (2191050).

Almost surely, 2^22212202 is an apocalyptic number.

22212202 is a deficient number, since it is larger than the sum of its proper divisors (12844598).

22212202 is a wasteful number, since it uses less digits than its factorization.

22212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6581.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 22212202 is about 4712.9822830136. The cubic root of 22212202 is about 281.1019585006.

Adding to 22212202 its reverse (20221222), we get a palindrome (42433424).

It can be divided in two parts, 2221220 and 2, that added together give a palindrome (2221222).

The spelling of 22212202 in words is "twenty-two million, two hundred twelve thousand, two hundred two".