22011045425 has 48 divisors (see below), whose sum is σ = 30067777920. Its totient is φ = 15953889600.

The previous prime is 22011045377. The next prime is 22011045439. The reversal of 22011045425 is 52454011022.

It is not a de Polignac number, because 22011045425 - 2⁶ = 22011045361 is a prime.

It is a super-2 number, since 2×22011045425² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22011045394 and 22011045403.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3941135 + ... + 3946715.

It is an arithmetic number, because the mean of its divisors is an integer number (626412040).

Almost surely, 2^22011045425 is an apocalyptic number.

22011045425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22011045425 is a deficient number, since it is larger than the sum of its proper divisors (8056732495).

22011045425 is an equidigital number, since it uses as much as digits as its factorization.

22011045425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671 (or 5628 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 22011045425 its reverse (52454011022), we get a palindrome (74465056447).

The spelling of 22011045425 in words is "twenty-two billion, eleven million, forty-five thousand, four hundred twenty-five".