22788454225 has 12 divisors (see below), whose sum is σ = 28300453660. Its totient is φ = 18203169600.

The previous prime is 22788454207. The next prime is 22788454229. The reversal of 22788454225 is 52245488722.

It can be written as a sum of positive squares in 6 ways, for example, as 343620369 + 22444833856 = 18537^2 + 149816^2 .

It is not a de Polignac number, because 22788454225 - 2¹¹ = 22788452177 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22788454229) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 672990 + ... + 706039.

Almost surely, 2^22788454225 is an apocalyptic number.

22788454225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22788454225 is a deficient number, since it is larger than the sum of its proper divisors (5511999435).

22788454225 is a wasteful number, since it uses less digits than its factorization.

22788454225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379700 (or 1379695 counting only the distinct ones).

The product of its digits is 2867200, while the sum is 49.

The spelling of 22788454225 in words is "twenty-two billion, seven hundred eighty-eight million, four hundred fifty-four thousand, two hundred twenty-five".