22110749 has 4 divisors (see below), whose sum is σ = 22422240. Its totient is φ = 21799260.

The previous prime is 22110743. The next prime is 22110769. The reversal of 22110749 is 94701122.

22110749 is nontrivially palindromic in base 7.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22110749 - 2¹² = 22106653 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 (22110743) 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 3 ways as a sum of consecutive naturals, for example, 155639 + ... + 155780.

It is an arithmetic number, because the mean of its divisors is an integer number (5605560).

Almost surely, 2^22110749 is an apocalyptic number.

It is an amenable number.

22110749 is a deficient number, since it is larger than the sum of its proper divisors (311491).

22110749 is an equidigital number, since it uses as much as digits as its factorization.

22110749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311490.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 22110749 is about 4702.2068223335. The cubic root of 22110749 is about 280.6733327299.

The spelling of 22110749 in words is "twenty-two million, one hundred ten thousand, seven hundred forty-nine".