1002211222 has 16 divisors (see below), whose sum is σ = 1540707840. Its totient is φ = 488795112.

The previous prime is 1002211213. The next prime is 1002211237. The reversal of 1002211222 is 2221122001.

It is a happy number.

It is a congruent number.

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, 25098 + ... + 51325.

It is an arithmetic number, because the mean of its divisors is an integer number (96294240).

Almost surely, 2^1002211222 is an apocalyptic number.

1002211222 is a deficient number, since it is larger than the sum of its proper divisors (538496618).

1002211222 is an equidigital number, since it uses as much as digits as its factorization.

1002211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76587.

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

The square root of 1002211222 is about 31657.7197852277. The cubic root of 1002211222 is about 1000.7365313883.

Adding to 1002211222 its reverse (2221122001), we get a palindrome (3223333223).

The spelling of 1002211222 in words is "one billion, two million, two hundred eleven thousand, two hundred twenty-two".