22234666779 has 40 divisors (see below), whose sum is σ = 35801876880. Its totient is φ = 13670576064.

The previous prime is 22234666771. The next prime is 22234666787. The reversal of 22234666779 is 97766643222.

It is an interprime number because it is at equal distance from previous prime (22234666771) and next prime (22234666787).

It is not a de Polignac number, because 22234666779 - 2³ = 22234666771 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22234666771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1241017 + ... + 1258805.

It is an arithmetic number, because the mean of its divisors is an integer number (895046922).

Almost surely, 2^22234666779 is an apocalyptic number.

22234666779 is a deficient number, since it is larger than the sum of its proper divisors (13567210101).

22234666779 is a wasteful number, since it uses less digits than its factorization.

22234666779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19001 (or 18992 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 54.

The spelling of 22234666779 in words is "twenty-two billion, two hundred thirty-four million, six hundred sixty-six thousand, seven hundred seventy-nine".