22277206289 has 4 divisors (see below), whose sum is σ = 23990837556. Its totient is φ = 20563575024.

The previous prime is 22277206277. The next prime is 22277206297. The reversal of 22277206289 is 98260277222.

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 9891297025 + 12385909264 = 99455^2 + 111292^2 .

It is a cyclic number.

It is not a de Polignac number, because 22277206289 - 2²⁰ = 22276157713 is a prime.

It is a super-2 number, since 2×22277206289² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22277206229) 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 3 ways as a sum of consecutive naturals, for example, 856815614 + ... + 856815639.

It is an arithmetic number, because the mean of its divisors is an integer number (5997709389).

Almost surely, 2^22277206289 is an apocalyptic number.

It is an amenable number.

22277206289 is a deficient number, since it is larger than the sum of its proper divisors (1713631267).

22277206289 is a wasteful number, since it uses less digits than its factorization.

22277206289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713631266.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 22277206289 in words is "twenty-two billion, two hundred seventy-seven million, two hundred six thousand, two hundred eighty-nine".