1222110202 has 4 divisors (see below), whose sum is σ = 1833165306. Its totient is φ = 611055100.

The previous prime is 1222110163. The next prime is 1222110209. The reversal of 1222110202 is 2020112221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2020112221 = 181 ⋅11160841.

It can be written as a sum of positive squares in only one way, i.e., 843379681 + 378730521 = 29041^2 + 19461^2 .

It is not an unprimeable number, because it can be changed into a prime (1222110209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305527549 + ... + 305527552.

Almost surely, 2^1222110202 is an apocalyptic number.

1222110202 is a deficient number, since it is larger than the sum of its proper divisors (611055104).

1222110202 is an equidigital number, since it uses as much as digits as its factorization.

1222110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611055103.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1222110202 is about 34958.6927959270. The cubic root of 1222110202 is about 1069.1454445726.

Adding to 1222110202 its reverse (2020112221), we get a palindrome (3242222423).

The spelling of 1222110202 in words is "one billion, two hundred twenty-two million, one hundred ten thousand, two hundred two".