10222222202 has 4 divisors (see below), whose sum is σ = 15333333306. Its totient is φ = 5111111100.

The previous prime is 10222222187. The next prime is 10222222207. The reversal of 10222222202 is 20222222201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9374306041 + 847916161 = 96821^2 + 29119^2 .

It is not an unprimeable number, because it can be changed into a prime (10222222207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555555549 + ... + 2555555552.

Almost surely, 2^10222222202 is an apocalyptic number.

10222222202 is a deficient number, since it is larger than the sum of its proper divisors (5111111104).

10222222202 is an equidigital number, since it uses as much as digits as its factorization.

10222222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5111111103.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 10222222202 its reverse (20222222201), we get a palindrome (30444444403).

Subtracting 10222222202 from its reverse (20222222201), we obtain a palindrome (9999999999).

The spelling of 10222222202 in words is "ten billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred two".