22749111 has 48 divisors (see below), whose sum is σ = 43400448. Its totient is φ = 11116800.

The previous prime is 22749101. The next prime is 22749121. The reversal of 22749111 is 11194722.

It is an interprime number because it is at equal distance from previous prime (22749101) and next prime (22749121).

It is not a de Polignac number, because 22749111 - 2⁷ = 22748983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22749101) 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 47 ways as a sum of consecutive naturals, for example, 10816 + ... + 12746.

It is an arithmetic number, because the mean of its divisors is an integer number (904176).

Almost surely, 2^22749111 is an apocalyptic number.

22749111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22749111 is a deficient number, since it is larger than the sum of its proper divisors (20651337).

22749111 is a wasteful number, since it uses less digits than its factorization.

22749111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972 (or 1969 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 22749111 is about 4769.6028136523. The cubic root of 22749111 is about 283.3488645081.

The spelling of 22749111 in words is "twenty-two million, seven hundred forty-nine thousand, one hundred eleven".