22185506704 has 45 divisors (see below), whose sum is σ = 44962334683. Its totient is φ = 10603906016.

The previous prime is 22185506699. The next prime is 22185506713. The reversal of 22185506704 is 40760558122.

The square root of 22185506704 is 148948.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 13702407 + ... + 13704025.

Almost surely, 2^22185506704 is an apocalyptic number.

22185506704 is the 148948-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22185506704

22185506704 is an abundant number, since it is smaller than the sum of its proper divisors (22776827979).

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

22185506704 is an frugal number, since it uses more digits than its factorization.

22185506704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3292 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 22185506704 in words is "twenty-two billion, one hundred eighty-five million, five hundred six thousand, seven hundred four".