22404017136 has 80 divisors (see below), whose sum is σ = 59138536320. Its totient is φ = 7306440960.

The previous prime is 22404017093. The next prime is 22404017179. The reversal of 22404017136 is 63171040422.

It is an interprime number because it is at equal distance from previous prime (22404017093) and next prime (22404017179).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578806 + ... + 616298.

It is an arithmetic number, because the mean of its divisors is an integer number (739231704).

Almost surely, 2^22404017136 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 22404017136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29569268160).

22404017136 is an abundant number, since it is smaller than the sum of its proper divisors (36734519184).

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

22404017136 is a wasteful number, since it uses less digits than its factorization.

22404017136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37774 (or 37768 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

Adding to 22404017136 its reverse (63171040422), we get a palindrome (85575057558).

The spelling of 22404017136 in words is "twenty-two billion, four hundred four million, seventeen thousand, one hundred thirty-six".