22687297360 has 160 divisors (see below), whose sum is σ = 65312819712. Its totient is φ = 7136778240.

The previous prime is 22687297343. The next prime is 22687297361. The reversal of 22687297360 is 6379278622.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 22687297298 and 22687297307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22687297361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1206430 + ... + 1225090.

Almost surely, 2^22687297360 is an apocalyptic number.

22687297360 is a gapful number since it is divisible by the number (20) 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 22687297360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32656409856).

22687297360 is an abundant number, since it is smaller than the sum of its proper divisors (42625522352).

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

22687297360 is a wasteful number, since it uses less digits than its factorization.

22687297360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18861 (or 18855 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 22687297360 in words is "twenty-two billion, six hundred eighty-seven million, two hundred ninety-seven thousand, three hundred sixty".