22041340 has 24 divisors (see below), whose sum is σ = 46412352. Its totient is φ = 8792640.

The previous prime is 22041323. The next prime is 22041343. The reversal of 22041340 is 4314022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22041343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7342 + ... + 9898.

It is an arithmetic number, because the mean of its divisors is an integer number (1933848).

Almost surely, 2^22041340 is an apocalyptic number.

22041340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22041340 is an abundant number, since it is smaller than the sum of its proper divisors (24371012).

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

22041340 is a wasteful number, since it uses less digits than its factorization.

22041340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997 (or 2995 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22041340 is about 4694.8205503512. The cubic root of 22041340 is about 280.3793328018.

Adding to 22041340 its reverse (4314022), we get a palindrome (26355362).

The spelling of 22041340 in words is "twenty-two million, forty-one thousand, three hundred forty".