16225228907 has 2 divisors, whose sum is σ = 16225228908. Its totient is φ = 16225228906.

The previous prime is 16225228891. The next prime is 16225228913. The reversal of 16225228907 is 70982252261.

It is a strong prime.

It is an emirp because it is prime and its reverse (70982252261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16225228907 - 2⁴ = 16225228891 is a prime.

It is not a weakly prime, because it can be changed into another prime (16225228967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8112614453 + 8112614454.

It is an arithmetic number, because the mean of its divisors is an integer number (8112614454).

Almost surely, 2^16225228907 is an apocalyptic number.

16225228907 is a deficient number, since it is larger than the sum of its proper divisors (1).

16225228907 is an equidigital number, since it uses as much as digits as its factorization.

16225228907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 16225228907 in words is "sixteen billion, two hundred twenty-five million, two hundred twenty-eight thousand, nine hundred seven".