22444466904 has 160 divisors (see below), whose sum is σ = 63899035200. Its totient is φ = 7359206400.

The previous prime is 22444466897. The next prime is 22444466909. The reversal of 22444466904 is 40966444422.

It is a self number, because there is not a number n which added to its sum of digits gives 22444466904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444466909) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17251054 + ... + 17252354.

It is an arithmetic number, because the mean of its divisors is an integer number (399368970).

Almost surely, 2^22444466904 is an apocalyptic number.

22444466904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22444466904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31949517600).

22444466904 is an abundant number, since it is smaller than the sum of its proper divisors (41454568296).

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

22444466904 is a wasteful number, since it uses less digits than its factorization.

22444466904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735 (or 1722 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The spelling of 22444466904 in words is "twenty-two billion, four hundred forty-four million, four hundred sixty-six thousand, nine hundred four".