22010423225 has 12 divisors (see below), whose sum is σ = 31191914304. Its totient is φ = 15092861520.

The previous prime is 22010423203. The next prime is 22010423249. The reversal of 22010423225 is 52232401022.

It is not a de Polignac number, because 22010423225 - 2¹⁰ = 22010422201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22010423225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62886749 + ... + 62887098.

It is an arithmetic number, because the mean of its divisors is an integer number (2599326192).

Almost surely, 2^22010423225 is an apocalyptic number.

22010423225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22010423225 is a deficient number, since it is larger than the sum of its proper divisors (9181491079).

22010423225 is a wasteful number, since it uses less digits than its factorization.

22010423225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125773864 (or 125773859 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 22010423225 its reverse (52232401022), we get a palindrome (74242824247).

The spelling of 22010423225 in words is "twenty-two billion, ten million, four hundred twenty-three thousand, two hundred twenty-five".