2221211002 has 8 divisors (see below), whose sum is σ = 3378743712. Its totient is φ = 1094963100.

The previous prime is 2221210997. The next prime is 2221211009. The reversal of 2221211002 is 2001121222.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (2221211009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7821024 + ... + 7821307.

It is an arithmetic number, because the mean of its divisors is an integer number (422342964).

Almost surely, 2^2221211002 is an apocalyptic number.

2221211002 is a deficient number, since it is larger than the sum of its proper divisors (1157532710).

2221211002 is a wasteful number, since it uses less digits than its factorization.

2221211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15642404.

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

The square root of 2221211002 is about 47129.7252485096. The cubic root of 2221211002 is about 1304.7579106916.

Adding to 2221211002 its reverse (2001121222), we get a palindrome (4222332224).

The spelling of 2221211002 in words is "two billion, two hundred twenty-one million, two hundred eleven thousand, two".