22000340 has 24 divisors (see below), whose sum is σ = 46308192. Its totient is φ = 8779680.

The previous prime is 22000339. The next prime is 22000343. The reversal of 22000340 is 4300022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000343) 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, 9935 + ... + 11945.

It is an arithmetic number, because the mean of its divisors is an integer number (1929508).

Almost surely, 2^22000340 is an apocalyptic number.

22000340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000340 is an abundant number, since it is smaller than the sum of its proper divisors (24307852).

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

22000340 is a wasteful number, since it uses less digits than its factorization.

22000340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567 (or 2565 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 22000340 is about 4690.4520038052. The cubic root of 22000340 is about 280.2053765329.

Adding to 22000340 its reverse (4300022), we get a palindrome (26300362).

The spelling of 22000340 in words is "twenty-two million, three hundred forty", and thus it is an aban number.