22031345245 has 64 divisors (see below), whose sum is σ = 34840834560. Its totient is φ = 12976939008.

The previous prime is 22031345221. The next prime is 22031345249. The reversal of 22031345245 is 54254313022.

It is a cyclic number.

It is not a de Polignac number, because 22031345245 - 2⁹ = 22031344733 is a prime.

It is a super-2 number, since 2×22031345245² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22031345249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 672414 + ... + 704416.

It is an arithmetic number, because the mean of its divisors is an integer number (544388040).

Almost surely, 2^22031345245 is an apocalyptic number.

It is an amenable number.

22031345245 is a deficient number, since it is larger than the sum of its proper divisors (12809489315).

22031345245 is a wasteful number, since it uses less digits than its factorization.

22031345245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32134.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 22031345245 its reverse (54254313022), we get a palindrome (76285658267).

The spelling of 22031345245 in words is "twenty-two billion, thirty-one million, three hundred forty-five thousand, two hundred forty-five".