22475453618 has 16 divisors (see below), whose sum is σ = 34879287960. Its totient is φ = 10849104000.

The previous prime is 22475453617. The next prime is 22475453633. The reversal of 22475453618 is 81635457422.

It can be written as a sum of positive squares in 4 ways, for example, as 22399013569 + 76440049 = 149663^2 + 8743^2 .

It is not an unprimeable number, because it can be changed into a prime (22475453617) 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 7 ways as a sum of consecutive naturals, for example, 969968 + ... + 992868.

Almost surely, 2^22475453618 is an apocalyptic number.

22475453618 is a deficient number, since it is larger than the sum of its proper divisors (12403834342).

22475453618 is a wasteful number, since it uses less digits than its factorization.

22475453618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39853.

The product of its digits is 1612800, while the sum is 47.

The spelling of 22475453618 in words is "twenty-two billion, four hundred seventy-five million, four hundred fifty-three thousand, six hundred eighteen".