22222045771 has 8 divisors (see below), whose sum is σ = 23630212944. Its totient is φ = 20825099520.

The previous prime is 22222045733. The next prime is 22222045823. The reversal of 22222045771 is 17754022222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22222045771 - 2¹⁵ = 22222013003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22222045721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2801145 + ... + 2809066.

It is an arithmetic number, because the mean of its divisors is an integer number (2953776618).

Almost surely, 2^22222045771 is an apocalyptic number.

22222045771 is a deficient number, since it is larger than the sum of its proper divisors (1408167173).

22222045771 is a wasteful number, since it uses less digits than its factorization.

22222045771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610461.

The product of its (nonzero) digits is 31360, while the sum is 34.

Adding to 22222045771 its reverse (17754022222), we get a palindrome (39976067993).

The spelling of 22222045771 in words is "twenty-two billion, two hundred twenty-two million, forty-five thousand, seven hundred seventy-one".