22005453078 has 48 divisors (see below), whose sum is σ = 54536591616. Its totient is φ = 6281861040.

The previous prime is 22005453017. The next prime is 22005453131. The reversal of 22005453078 is 87035450022.

22005453078 is a `hidden beast` number, since 2 + 2 + 0 + 0 + 54 + 530 + 78 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72975 + ... + 222117.

It is an arithmetic number, because the mean of its divisors is an integer number (1136178992).

Almost surely, 2^22005453078 is an apocalyptic number.

22005453078 is an abundant number, since it is smaller than the sum of its proper divisors (32531138538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22005453078 is a wasteful number, since it uses less digits than its factorization.

22005453078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150329 (or 150326 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 22005453078 in words is "twenty-two billion, five million, four hundred fifty-three thousand, seventy-eight".