4512222139 has 2 divisors, whose sum is σ = 4512222140. Its totient is φ = 4512222138.

The previous prime is 4512222137. The next prime is 4512222181. The reversal of 4512222139 is 9312222154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4512222139 - 2¹ = 4512222137 is a prime.

Together with 4512222137, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4512222139.

It is not a weakly prime, because it can be changed into another prime (4512222137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2256111069 + 2256111070.

It is an arithmetic number, because the mean of its divisors is an integer number (2256111070).

Almost surely, 2^4512222139 is an apocalyptic number.

4512222139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4512222139 is an equidigital number, since it uses as much as digits as its factorization.

4512222139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

The square root of 4512222139 is about 67173.0759977537. The cubic root of 4512222139 is about 1652.4569626781.

The spelling of 4512222139 in words is "four billion, five hundred twelve million, two hundred twenty-two thousand, one hundred thirty-nine".