22202210 has 16 divisors (see below), whose sum is σ = 40332600. Its totient is φ = 8798976.

The previous prime is 22202209. The next prime is 22202249. The reversal of 22202210 is 1220222.

It can be written as a sum of positive squares in 4 ways, for example, as 20802721 + 1399489 = 4561^2 + 1183^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22202191 and 22202200.

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, 9095 + ... + 11274.

Almost surely, 2^22202210 is an apocalyptic number.

22202210 is a deficient number, since it is larger than the sum of its proper divisors (18130390).

22202210 is a wasteful number, since it uses less digits than its factorization.

22202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20485.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 22202210 is about 4711.9221131084. The cubic root of 22202210 is about 281.0598016110.

Adding to 22202210 its reverse (1220222), we get a palindrome (23422432).

The spelling of 22202210 in words is "twenty-two million, two hundred two thousand, two hundred ten".