2211258002 has 18 divisors (see below), whose sum is σ = 3403957077. Its totient is φ = 1077332400.

The previous prime is 2211257989. The next prime is 2211258013. The reversal of 2211258002 is 2008521122.

It can be written as a sum of positive squares in 2 ways, for example, as 1579188121 + 632069881 = 39739^2 + 25141^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33251.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2726177 + ... + 2726987.

Almost surely, 2^2211258002 is an apocalyptic number.

2211258002 is a deficient number, since it is larger than the sum of its proper divisors (1192699075).

2211258002 is an frugal number, since it uses more digits than its factorization.

2211258002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 2211258002 is about 47024.0151624678. The cubic root of 2211258002 is about 1302.8061674668.

Adding to 2211258002 its reverse (2008521122), we get a palindrome (4219779124).

The spelling of 2211258002 in words is "two billion, two hundred eleven million, two hundred fifty-eight thousand, two".