22120135 has 12 divisors (see below), whose sum is σ = 27751752. Its totient is φ = 16924688.

The previous prime is 22120099. The next prime is 22120151. The reversal of 22120135 is 53102122.

It is not a de Polignac number, because 22120135 - 2¹¹ = 22118087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1537 + ... + 6826.

It is an arithmetic number, because the mean of its divisors is an integer number (2312646).

Almost surely, 2^22120135 is an apocalyptic number.

22120135 is a deficient number, since it is larger than the sum of its proper divisors (5631617).

22120135 is an equidigital number, since it uses as much as digits as its factorization.

22120135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8414 (or 8391 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 22120135 is about 4703.2047584599. The cubic root of 22120135 is about 280.7130423333.

Adding to 22120135 its reverse (53102122), we get a palindrome (75222257).

The spelling of 22120135 in words is "twenty-two million, one hundred twenty thousand, one hundred thirty-five".