22991268377 has 16 divisors (see below), whose sum is σ = 28679156352. Its totient is φ = 17906075520.

The previous prime is 22991268359. The next prime is 22991268409. The reversal of 22991268377 is 77386219922.

It is a cyclic number.

It is not a de Polignac number, because 22991268377 - 2¹⁶ = 22991202841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22991268317) 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 15 ways as a sum of consecutive naturals, for example, 76253 + ... + 227589.

It is an arithmetic number, because the mean of its divisors is an integer number (1792447272).

Almost surely, 2^22991268377 is an apocalyptic number.

It is an amenable number.

22991268377 is a deficient number, since it is larger than the sum of its proper divisors (5687887975).

22991268377 is a wasteful number, since it uses less digits than its factorization.

22991268377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153328.

The product of its digits is 4572288, while the sum is 56.

The spelling of 22991268377 in words is "twenty-two billion, nine hundred ninety-one million, two hundred sixty-eight thousand, three hundred seventy-seven".