22342045777 has 4 divisors (see below), whose sum is σ = 22465482676. Its totient is φ = 22218608880.

The previous prime is 22342045769. The next prime is 22342045783. The reversal of 22342045777 is 77754024322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5818485841 + 16523559936 = 76279^2 + 128544^2 .

It is a cyclic number.

It is not a de Polignac number, because 22342045777 - 2³ = 22342045769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22342045787) 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, 61718178 + ... + 61718539.

It is an arithmetic number, because the mean of its divisors is an integer number (5616370669).

Almost surely, 2^22342045777 is an apocalyptic number.

It is an amenable number.

22342045777 is a deficient number, since it is larger than the sum of its proper divisors (123436899).

22342045777 is a wasteful number, since it uses less digits than its factorization.

22342045777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123436898.

The product of its (nonzero) digits is 658560, while the sum is 43.

The spelling of 22342045777 in words is "twenty-two billion, three hundred forty-two million, forty-five thousand, seven hundred seventy-seven".