22213304345 has 8 divisors (see below), whose sum is σ = 26658265920. Its totient is φ = 17769109680.

The previous prime is 22213304329. The next prime is 22213304353. The reversal of 22213304345 is 54340331222.

It is a happy number.

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

It is not a de Polignac number, because 22213304345 - 2⁴ = 22213304329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125951 + ... + 245540.

It is an arithmetic number, because the mean of its divisors is an integer number (3332283240).

Almost surely, 2^22213304345 is an apocalyptic number.

It is an amenable number.

22213304345 is a deficient number, since it is larger than the sum of its proper divisors (4444961575).

22213304345 is a wasteful number, since it uses less digits than its factorization.

22213304345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383455.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 22213304345 its reverse (54340331222), we get a palindrome (76553635567).

The spelling of 22213304345 in words is "twenty-two billion, two hundred thirteen million, three hundred four thousand, three hundred forty-five".