2223121002 has 8 divisors (see below), whose sum is σ = 4446242016. Its totient is φ = 741040332.

The previous prime is 2223121001. The next prime is 2223121013. The reversal of 2223121002 is 2001213222.

It is a happy number.

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

2223121002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2223121001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185260078 + ... + 185260089.

It is an arithmetic number, because the mean of its divisors is an integer number (555780252).

Almost surely, 2^2223121002 is an apocalyptic number.

2223121002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2223121002 is a wasteful number, since it uses less digits than its factorization.

2223121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370520172.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2223121002 is about 47149.9841145254. The cubic root of 2223121002 is about 1305.1317868700.

Adding to 2223121002 its reverse (2001213222), we get a palindrome (4224334224).

The spelling of 2223121002 in words is "two billion, two hundred twenty-three million, one hundred twenty-one thousand, two".