22120677 has 12 divisors (see below), whose sum is σ = 32074380. Its totient is φ = 14690688.

The previous prime is 22120673. The next prime is 22120697. The reversal of 22120677 is 77602122.

It can be written as a sum of positive squares in 2 ways, for example, as 720801 + 21399876 = 849^2 + 4626^2 .

It is not a de Polignac number, because 22120677 - 2² = 22120673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22120677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2148 + ... + 6989.

It is an arithmetic number, because the mean of its divisors is an integer number (2672865).

Almost surely, 2^22120677 is an apocalyptic number.

It is an amenable number.

22120677 is a deficient number, since it is larger than the sum of its proper divisors (9953703).

22120677 is a wasteful number, since it uses less digits than its factorization.

22120677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9412 (or 9409 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 22120677 is about 4703.2623783923. The cubic root of 22120677 is about 280.7153350443.

Adding to 22120677 its reverse (77602122), we get a palindrome (99722799).

The spelling of 22120677 in words is "twenty-two million, one hundred twenty thousand, six hundred seventy-seven".