2221142513 has 2 divisors, whose sum is σ = 2221142514. Its totient is φ = 2221142512.

The previous prime is 2221142507. The next prime is 2221142537. The reversal of 2221142513 is 3152411222.

2221142513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1589776384 + 631366129 = 39872^2 + 25127^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221142513 - 2²⁶ = 2154033649 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221142543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110571256 + 1110571257.

It is an arithmetic number, because the mean of its divisors is an integer number (1110571257).

Almost surely, 2^2221142513 is an apocalyptic number.

It is an amenable number.

2221142513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221142513 is an equidigital number, since it uses as much as digits as its factorization.

2221142513 is an evil number, because the sum of its binary digits is even.

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

The square root of 2221142513 is about 47128.9986420251. The cubic root of 2221142513 is about 1304.7445002168.

Adding to 2221142513 its reverse (3152411222), we get a palindrome (5373553735).

The spelling of 2221142513 in words is "two billion, two hundred twenty-one million, one hundred forty-two thousand, five hundred thirteen".