10221122 has 4 divisors (see below), whose sum is σ = 15331686. Its totient is φ = 5110560.

The previous prime is 10221091. The next prime is 10221149. The reversal of 10221122 is 22112201.

It is a happy number.

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., 5764801 + 4456321 = 2401^2 + 2111^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555279 + ... + 2555282.

Almost surely, 2^10221122 is an apocalyptic number.

10221122 is a deficient number, since it is larger than the sum of its proper divisors (5110564).

10221122 is an equidigital number, since it uses as much as digits as its factorization.

10221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110563.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 10221122 is about 3197.0489517679. The cubic root of 10221122 is about 217.0198825107.

Adding to 10221122 its reverse (22112201), we get a palindrome (32333323).

The spelling of 10221122 in words is "ten million, two hundred twenty-one thousand, one hundred twenty-two".