22520155045 has 16 divisors (see below), whose sum is σ = 27635655168. Its totient is φ = 17609491840.

The previous prime is 22520155033. The next prime is 22520155057. The reversal of 22520155045 is 54055102522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22520155033) and next prime (22520155057).

It is not a de Polignac number, because 22520155045 - 2⁹ = 22520154533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22520154998 and 22520155016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115872 + ... + 241798.

It is an arithmetic number, because the mean of its divisors is an integer number (1727228448).

Almost surely, 2^22520155045 is an apocalyptic number.

It is an amenable number.

22520155045 is a deficient number, since it is larger than the sum of its proper divisors (5115500123).

22520155045 is a wasteful number, since it uses less digits than its factorization.

22520155045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126740.

The product of its (nonzero) digits is 20000, while the sum is 31.

Adding to 22520155045 its reverse (54055102522), we get a palindrome (76575257567).

The spelling of 22520155045 in words is "twenty-two billion, five hundred twenty million, one hundred fifty-five thousand, forty-five".