22729409304 has 96 divisors (see below), whose sum is σ = 66243977280. Its totient is φ = 6480054336.

The previous prime is 22729409303. The next prime is 22729409333. The reversal of 22729409304 is 40390492722.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22729409303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 528499 + ... + 569885.

It is an arithmetic number, because the mean of its divisors is an integer number (690041430).

Almost surely, 2^22729409304 is an apocalyptic number.

22729409304 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 22729409304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33121988640).

22729409304 is an abundant number, since it is smaller than the sum of its proper divisors (43514567976).

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

22729409304 is a wasteful number, since it uses less digits than its factorization.

22729409304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41877 (or 41866 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 22729409304 in words is "twenty-two billion, seven hundred twenty-nine million, four hundred nine thousand, three hundred four".