22044302340 has 48 divisors (see below), whose sum is σ = 61731307008. Its totient is φ = 5877789184.

The previous prime is 22044302309. The next prime is 22044302347. The reversal of 22044302340 is 4320344022.

It is a self number, because there is not a number n which added to its sum of digits gives 22044302340.

It is not an unprimeable number, because it can be changed into a prime (22044302347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682189 + ... + 713771.

It is an arithmetic number, because the mean of its divisors is an integer number (1286068896).

Almost surely, 2^22044302340 is an apocalyptic number.

22044302340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22044302340 is an abundant number, since it is smaller than the sum of its proper divisors (39687004668).

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

22044302340 is a wasteful number, since it uses less digits than its factorization.

22044302340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43228 (or 43226 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 22044302340 its reverse (4320344022), we get a palindrome (26364646362).

The spelling of 22044302340 in words is "twenty-two billion, forty-four million, three hundred two thousand, three hundred forty".