22212263425 has 18 divisors (see below), whose sum is σ = 30274768454. Its totient is φ = 16154371200.

The previous prime is 22212263417. The next prime is 22212263449. The reversal of 22212263425 is 52436221222.

It can be written as a sum of positive squares in 3 ways, for example, as 52070656 + 22160192769 = 7216^2 + 148863^2 .

It is not a de Polignac number, because 22212263425 - 2³ = 22212263417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 3668424 + ... + 3674473.

Almost surely, 2^22212263425 is an apocalyptic number.

22212263425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22212263425 is a deficient number, since it is larger than the sum of its proper divisors (8062505029).

22212263425 is a wasteful number, since it uses less digits than its factorization.

22212263425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7342929 (or 7342913 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

Adding to 22212263425 its reverse (52436221222), we get a palindrome (74648484647).

The spelling of 22212263425 in words is "twenty-two billion, two hundred twelve million, two hundred sixty-three thousand, four hundred twenty-five".