2215665122 has 16 divisors (see below), whose sum is σ = 3655602144. Its totient is φ = 1007119300.

The previous prime is 2215665103. The next prime is 2215665161.

2215665122 is nontrivially palindromic in base 10.

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, 413504 + ... + 418827.

It is an arithmetic number, because the mean of its divisors is an integer number (228475134).

Almost surely, 2^2215665122 is an apocalyptic number.

2215665122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2215665122 is a deficient number, since it is larger than the sum of its proper divisors (1439937022).

2215665122 is an equidigital number, since it uses as much as digits as its factorization.

2215665122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832366 (or 832344 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 2215665122 is about 47070.8521486493. The cubic root of 2215665122 is about 1303.6711069276.

It can be divided in two parts, 22156 and 65122, that added together give a palindrome (87278).

The spelling of 2215665122 in words is "two billion, two hundred fifteen million, six hundred sixty-five thousand, one hundred twenty-two".