22454465625 has 120 divisors (see below), whose sum is σ = 42922002816. Its totient is φ = 11691540000.

The previous prime is 22454465597. The next prime is 22454465629. The reversal of 22454465625 is 52656445422.

22454465625 is a `hidden beast` number, since 2 + 2 + 45 + 4 + 46 + 562 + 5 = 666.

It is not a de Polignac number, because 22454465625 - 2⁷ = 22454465497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22454465629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 10883344 + ... + 10885406.

Almost surely, 2^22454465625 is an apocalyptic number.

22454465625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22454465625 is a deficient number, since it is larger than the sum of its proper divisors (20467537191).

22454465625 is an frugal number, since it uses more digits than its factorization.

22454465625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143 (or 2114 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 45.

The spelling of 22454465625 in words is "twenty-two billion, four hundred fifty-four million, four hundred sixty-five thousand, six hundred twenty-five".