22042958777 has 4 divisors (see below), whose sum is σ = 25191952896. Its totient is φ = 18893964660.

The previous prime is 22042958771. The next prime is 22042958849. The reversal of 22042958777 is 77785924022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77785924022 = 2 ⋅38892962011.

It is a cyclic number.

It is not a de Polignac number, because 22042958777 - 2¹⁸ = 22042696633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22042958771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1574497049 + ... + 1574497062.

It is an arithmetic number, because the mean of its divisors is an integer number (6297988224).

Almost surely, 2^22042958777 is an apocalyptic number.

It is an amenable number.

22042958777 is a deficient number, since it is larger than the sum of its proper divisors (3148994119).

22042958777 is an equidigital number, since it uses as much as digits as its factorization.

22042958777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3148994118.

The product of its (nonzero) digits is 3951360, while the sum is 53.

The spelling of 22042958777 in words is "twenty-two billion, forty-two million, nine hundred fifty-eight thousand, seven hundred seventy-seven".