22005700472 has 48 divisors (see below), whose sum is σ = 48118367160. Its totient is φ = 9407192256.

The previous prime is 22005700469. The next prime is 22005700477. The reversal of 22005700472 is 27400750022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22005700477) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 84923 + ... + 226325.

Almost surely, 2^22005700472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22005700472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24059183580).

22005700472 is an abundant number, since it is smaller than the sum of its proper divisors (26112666688).

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

22005700472 is a wasteful number, since it uses less digits than its factorization.

22005700472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141820 (or 141809 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The spelling of 22005700472 in words is "twenty-two billion, five million, seven hundred thousand, four hundred seventy-two".