1222201002 has 128 divisors (see below), whose sum is σ = 2884958208. Its totient is φ = 341510400.

The previous prime is 1222200953. The next prime is 1222201031. The reversal of 1222201002 is 2001022221.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6203968 + ... + 6204164.

It is an arithmetic number, because the mean of its divisors is an integer number (22538736).

Almost surely, 2^1222201002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222201002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1442479104).

1222201002 is an abundant number, since it is smaller than the sum of its proper divisors (1662757206).

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

1222201002 is a wasteful number, since it uses less digits than its factorization.

1222201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1222201002 is about 34959.9914473674. The cubic root of 1222201002 is about 1069.1719222727.

Adding to 1222201002 its reverse (2001022221), we get a palindrome (3223223223).

The spelling of 1222201002 in words is "one billion, two hundred twenty-two million, two hundred one thousand, two".