1222111002 has 32 divisors (see below), whose sum is σ = 2797686144. Its totient is φ = 348638400.

The previous prime is 1222110997. The next prime is 1222111019. The reversal of 1222111002 is 2001112221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5752 + ... + 49772.

It is an arithmetic number, because the mean of its divisors is an integer number (87427692).

Almost surely, 2^1222111002 is an apocalyptic number.

1222111002 is an abundant number, since it is smaller than the sum of its proper divisors (1575575142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222111002 is a wasteful number, since it uses less digits than its factorization.

1222111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44694.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1222111002 is about 34958.7042380006. The cubic root of 1222111002 is about 1069.1456778620.

Adding to 1222111002 its reverse (2001112221), we get a palindrome (3223223223).

The spelling of 1222111002 in words is "one billion, two hundred twenty-two million, one hundred eleven thousand, two".