2215211234 has 16 divisors (see below), whose sum is σ = 3347266680. Its totient is φ = 1099486080.

The previous prime is 2215211221. The next prime is 2215211249. The reversal of 2215211234 is 4321125122.

It can be written as a sum of positive squares in 4 ways, for example, as 1882258225 + 332953009 = 43385^2 + 18247^2 .

It is a super-2 number, since 2×2215211234² = 9814321622479605512, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143852 + ... + 158504.

Almost surely, 2^2215211234 is an apocalyptic number.

2215211234 is a deficient number, since it is larger than the sum of its proper divisors (1132055446).

2215211234 is a wasteful number, since it uses less digits than its factorization.

2215211234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15205.

The product of its digits is 960, while the sum is 23.

The square root of 2215211234 is about 47066.0305740775. The cubic root of 2215211234 is about 1303.5820800742.

Adding to 2215211234 its reverse (4321125122), we get a palindrome (6536336356).

The spelling of 2215211234 in words is "two billion, two hundred fifteen million, two hundred eleven thousand, two hundred thirty-four".