226997380288 has 112 divisors (see below), whose sum is σ = 534238931520. Its totient is φ = 93631942656.

The previous prime is 226997380277. The next prime is 226997380297. The reversal of 226997380288 is 882083799622.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×226997380288² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

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, 4090906 + ... + 4146022.

It is an arithmetic number, because the mean of its divisors is an integer number (4769990460).

Almost surely, 2^226997380288 is an apocalyptic number.

226997380288 is a gapful number since it is divisible by the number (28) 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 226997380288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267119465760).

226997380288 is an abundant number, since it is smaller than the sum of its proper divisors (307241551232).

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

226997380288 is a wasteful number, since it uses less digits than its factorization.

226997380288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55482 (or 55472 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 226997380288 in words is "two hundred twenty-six billion, nine hundred ninety-seven million, three hundred eighty thousand, two hundred eighty-eight".