22435534044 has 72 divisors (see below), whose sum is σ = 70705934208. Its totient is φ = 5827410720.

The previous prime is 22435534031. The next prime is 22435534061. The reversal of 22435534044 is 44043553422.

22435534044 is a `hidden beast` number, since 2 + 24 + 3 + 553 + 40 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 4044042 + ... + 4049585.

It is an arithmetic number, because the mean of its divisors is an integer number (982026864).

Almost surely, 2^22435534044 is an apocalyptic number.

It is an amenable number.

22435534044 is an abundant number, since it is smaller than the sum of its proper divisors (48270400164).

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

22435534044 is a wasteful number, since it uses less digits than its factorization.

22435534044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8093655 (or 8093650 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

The spelling of 22435534044 in words is "twenty-two billion, four hundred thirty-five million, five hundred thirty-four thousand, forty-four".