22293240787 has 2 divisors, whose sum is σ = 22293240788. Its totient is φ = 22293240786.

The previous prime is 22293240763. The next prime is 22293240791. The reversal of 22293240787 is 78704239222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22293240787 - 2¹¹ = 22293238739 is a prime.

It is not a weakly prime, because it can be changed into another prime (22293240287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11146620393 + 11146620394.

It is an arithmetic number, because the mean of its divisors is an integer number (11146620394).

Almost surely, 2^22293240787 is an apocalyptic number.

22293240787 is a deficient number, since it is larger than the sum of its proper divisors (1).

22293240787 is an equidigital number, since it uses as much as digits as its factorization.

22293240787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 22293240787 in words is "twenty-two billion, two hundred ninety-three million, two hundred forty thousand, seven hundred eighty-seven".