2223212210 has 16 divisors (see below), whose sum is σ = 4139775000. Its totient is φ = 858619776.

The previous prime is 2223212203. The next prime is 2223212219. The reversal of 2223212210 is 122123222.

It can be written as a sum of positive squares in 4 ways, for example, as 1249834609 + 973377601 = 35353^2 + 31199^2 .

It is not an unprimeable number, because it can be changed into a prime (2223212219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3832835 + ... + 3833414.

Almost surely, 2^2223212210 is an apocalyptic number.

2223212210 is a deficient number, since it is larger than the sum of its proper divisors (1916562790).

2223212210 is a wasteful number, since it uses less digits than its factorization.

2223212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7666285.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2223212210 is about 47150.9513159597. The cubic root of 2223212210 is about 1305.1496351761.

Adding to 2223212210 its reverse (122123222), we get a palindrome (2345335432).

The spelling of 2223212210 in words is "two billion, two hundred twenty-three million, two hundred twelve thousand, two hundred ten".