22112271077 has 16 divisors (see below), whose sum is σ = 24824808960. Its totient is φ = 19557288000.

The previous prime is 22112271061. The next prime is 22112271101. The reversal of 22112271077 is 77017221122.

It is a cyclic number.

It is not a de Polignac number, because 22112271077 - 2⁴ = 22112271061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112274077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230927 + ... + 312332.

It is an arithmetic number, because the mean of its divisors is an integer number (1551550560).

Almost surely, 2^22112271077 is an apocalyptic number.

It is an amenable number.

22112271077 is a deficient number, since it is larger than the sum of its proper divisors (2712537883).

22112271077 is a wasteful number, since it uses less digits than its factorization.

22112271077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543404.

The product of its (nonzero) digits is 5488, while the sum is 32.

Adding to 22112271077 its reverse (77017221122), we get a palindrome (99129492199).

The spelling of 22112271077 in words is "twenty-two billion, one hundred twelve million, two hundred seventy-one thousand, seventy-seven".