22110740 has 12 divisors (see below), whose sum is σ = 46432596. Its totient is φ = 8844288.

The previous prime is 22110709. The next prime is 22110743. The reversal of 22110740 is 4701122.

It can be written as a sum of positive squares in 2 ways, for example, as 7761796 + 14348944 = 2786^2 + 3788^2 .

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552749 + ... + 552788.

It is an arithmetic number, because the mean of its divisors is an integer number (3869383).

Almost surely, 2^22110740 is an apocalyptic number.

22110740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22110740 is an abundant number, since it is smaller than the sum of its proper divisors (24321856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22110740 is a wasteful number, since it uses less digits than its factorization.

22110740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105546 (or 1105544 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 22110740 is about 4702.2058653360. The cubic root of 22110740 is about 280.6732946480.

Adding to 22110740 its reverse (4701122), we get a palindrome (26811862).

The spelling of 22110740 in words is "twenty-two million, one hundred ten thousand, seven hundred forty".