2213123210 has 16 divisors (see below), whose sum is σ = 3984762600. Its totient is φ = 884995776.

The previous prime is 2213123207. The next prime is 2213123293. The reversal of 2213123210 is 123213122.

It can be written as a sum of positive squares in 4 ways, for example, as 1844444809 + 368678401 = 42947^2 + 19201^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7256 + ... + 66924.

Almost surely, 2^2213123210 is an apocalyptic number.

2213123210 is a deficient number, since it is larger than the sum of its proper divisors (1771639390).

2213123210 is a wasteful number, since it uses less digits than its factorization.

2213123210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63385.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2213123210 is about 47043.8434866880. The cubic root of 2213123210 is about 1303.1723725204.

Adding to 2213123210 its reverse (123213122), we get a palindrome (2336336332).

The spelling of 2213123210 in words is "two billion, two hundred thirteen million, one hundred twenty-three thousand, two hundred ten".