22074012787 has 2 divisors, whose sum is σ = 22074012788. Its totient is φ = 22074012786.

The previous prime is 22074012781. The next prime is 22074012803. The reversal of 22074012787 is 78721047022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22074012787 is a prime.

It is not a weakly prime, because it can be changed into another prime (22074012781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11037006393 + 11037006394.

It is an arithmetic number, because the mean of its divisors is an integer number (11037006394).

Almost surely, 2^22074012787 is an apocalyptic number.

22074012787 is a deficient number, since it is larger than the sum of its proper divisors (1).

22074012787 is an equidigital number, since it uses as much as digits as its factorization.

22074012787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87808, while the sum is 40.

The spelling of 22074012787 in words is "twenty-two billion, seventy-four million, twelve thousand, seven hundred eighty-seven".