32226003991 has 2 divisors, whose sum is σ = 32226003992. Its totient is φ = 32226003990.

The previous prime is 32226003919. The next prime is 32226004021. The reversal of 32226003991 is 19930062223.

Together with previous prime (32226003919) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32226003991 - 2²¹ = 32223906839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32226003991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32226003091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16113001995 + 16113001996.

It is an arithmetic number, because the mean of its divisors is an integer number (16113001996).

Almost surely, 2^32226003991 is an apocalyptic number.

32226003991 is a deficient number, since it is larger than the sum of its proper divisors (1).

32226003991 is an equidigital number, since it uses as much as digits as its factorization.

32226003991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 37.

The spelling of 32226003991 in words is "thirty-two billion, two hundred twenty-six million, three thousand, nine hundred ninety-one".