2215644107 has 2 divisors, whose sum is σ = 2215644108. Its totient is φ = 2215644106.

The previous prime is 2215644103. The next prime is 2215644139. The reversal of 2215644107 is 7014465122.

It is an a-pointer prime, because the next prime (2215644139) can be obtained adding 2215644107 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2215644107 - 2² = 2215644103 is a prime.

It is not a weakly prime, because it can be changed into another prime (2215644103) by changing a digit.

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 as a sum of consecutive naturals, namely, 1107822053 + 1107822054.

It is an arithmetic number, because the mean of its divisors is an integer number (1107822054).

Almost surely, 2^2215644107 is an apocalyptic number.

2215644107 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215644107 is an equidigital number, since it uses as much as digits as its factorization.

2215644107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2215644107 is about 47070.6289208037. The cubic root of 2215644107 is about 1303.6669852555. Note that the first 3 decimals are identical.

The spelling of 2215644107 in words is "two billion, two hundred fifteen million, six hundred forty-four thousand, one hundred seven".