22041740 has 96 divisors (see below), whose sum is σ = 56246400. Its totient is φ = 7096320.

The previous prime is 22041709. The next prime is 22041743. The reversal of 22041740 is 4714022.

22041740 = 102² + 103² + ... + 406².

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (22041743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247616 + ... + 247704.

It is an arithmetic number, because the mean of its divisors is an integer number (585900).

Almost surely, 2^22041740 is an apocalyptic number.

22041740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22041740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28123200).

22041740 is an abundant number, since it is smaller than the sum of its proper divisors (34204660).

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

22041740 is a wasteful number, since it uses less digits than its factorization.

22041740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 22041740 is about 4694.8631502952. The cubic root of 22041740 is about 280.3810288731.

Adding to 22041740 its reverse (4714022), we get a palindrome (26755762).

The spelling of 22041740 in words is "twenty-two million, forty-one thousand, seven hundred forty".