2144227515 has 16 divisors (see below), whose sum is σ = 3523488288. Its totient is φ = 1112679936.

The previous prime is 2144227513. The next prime is 2144227537. The reversal of 2144227515 is 5157224412.

It is not a de Polignac number, because 2144227515 - 2¹ = 2144227513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2144227511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1931182 + ... + 1932291.

It is an arithmetic number, because the mean of its divisors is an integer number (220218018).

Almost surely, 2^2144227515 is an apocalyptic number.

2144227515 is a deficient number, since it is larger than the sum of its proper divisors (1379260773).

2144227515 is a wasteful number, since it uses less digits than its factorization.

2144227515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863518.

The product of its digits is 22400, while the sum is 33.

The square root of 2144227515 is about 46305.8043337982. The cubic root of 2144227515 is about 1289.5067551200.

The spelling of 2144227515 in words is "two billion, one hundred forty-four million, two hundred twenty-seven thousand, five hundred fifteen".