22506195804 has 12 divisors (see below), whose sum is σ = 52514456904. Its totient is φ = 7502065264.

The previous prime is 22506195791. The next prime is 22506195839. The reversal of 22506195804 is 40859160522.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937758147 + ... + 937758170.

It is an arithmetic number, because the mean of its divisors is an integer number (4376204742).

Almost surely, 2^22506195804 is an apocalyptic number.

It is an amenable number.

22506195804 is an abundant number, since it is smaller than the sum of its proper divisors (30008261100).

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

22506195804 is a wasteful number, since it uses less digits than its factorization.

22506195804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875516324 (or 1875516322 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 22506195804 in words is "twenty-two billion, five hundred six million, one hundred ninety-five thousand, eight hundred four".