22032322425 has 36 divisors (see below), whose sum is σ = 39626179164. Its totient is φ = 11701785600.

The previous prime is 22032322379. The next prime is 22032322447. The reversal of 22032322425 is 52422323022.

22032322425 is a `hidden beast` number, since 2 + 2 + 0 + 3 + 232 + 2 + 425 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 1373147136 + 20659175289 = 37056^2 + 143733^2 .

It is not a de Polignac number, because 22032322425 - 2¹¹ = 22032320377 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 148932 + ... + 257381.

It is an arithmetic number, because the mean of its divisors is an integer number (1100727199).

Almost surely, 2^22032322425 is an apocalyptic number.

22032322425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22032322425 is a deficient number, since it is larger than the sum of its proper divisors (17593856739).

22032322425 is a wasteful number, since it uses less digits than its factorization.

22032322425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406570 (or 406562 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 22032322425 its reverse (52422323022), we get a palindrome (74454645447).

The spelling of 22032322425 in words is "twenty-two billion, thirty-two million, three hundred twenty-two thousand, four hundred twenty-five".