22340245 has 8 divisors (see below), whose sum is σ = 27974016. Its totient is φ = 17095056.

The previous prime is 22340161. The next prime is 22340249. The reversal of 22340245 is 54204322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22340245 - 2¹⁵ = 22307477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22340249) 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, 97017 + ... + 97246.

It is an arithmetic number, because the mean of its divisors is an integer number (3496752).

Almost surely, 2^22340245 is an apocalyptic number.

It is an amenable number.

22340245 is a deficient number, since it is larger than the sum of its proper divisors (5633771).

22340245 is a wasteful number, since it uses less digits than its factorization.

22340245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194291.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 22340245 is about 4726.5468367509. The cubic root of 22340245 is about 281.6410645513.

Adding to 22340245 its reverse (54204322), we get a palindrome (76544567).

The spelling of 22340245 in words is "twenty-two million, three hundred forty thousand, two hundred forty-five".