1222011002 has 8 divisors (see below), whose sum is σ = 1843144212. Its totient is φ = 607629600.

The previous prime is 1222010989. The next prime is 1222011013. The reversal of 1222011002 is 2001102221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 873852721 + 348158281 = 29561^2 + 18659^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1687499 + ... + 1688222.

Almost surely, 2^1222011002 is an apocalyptic number.

1222011002 is a deficient number, since it is larger than the sum of its proper divisors (621133210).

1222011002 is a wasteful number, since it uses less digits than its factorization.

1222011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375904.

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

The square root of 1222011002 is about 34957.2739497805. The cubic root of 1222011002 is about 1069.1165158945.

Adding to 1222011002 its reverse (2001102221), we get a palindrome (3223113223).

The spelling of 1222011002 in words is "one billion, two hundred twenty-two million, eleven thousand, two".