226985849133720 has 64 divisors (see below), whose sum is σ = 681498419616000. Its totient is φ = 60481482238848.

The previous prime is 226985849133709. The next prime is 226985849133779. The reversal of 226985849133720 is 27331948589622.

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, 751059700 + ... + 751361859.

It is an arithmetic number, because the mean of its divisors is an integer number (10648412806500).

It is a 2-persistent number, because it is pandigital, and so is 2⋅226985849133720 = 453971698267440, but 3⋅226985849133720 = 680957547401160 is not.

Almost surely, 2^{226985849133720} is an apocalyptic number.

226985849133720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226985849133720 is an abundant number, since it is smaller than the sum of its proper divisors (454512570482280).

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

226985849133720 is a wasteful number, since it uses less digits than its factorization.

226985849133720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502422832 (or 1502422828 counting only the distinct ones).

The product of its (nonzero) digits is 313528320, while the sum is 69.

The spelling of 226985849133720 in words is "two hundred twenty-six trillion, nine hundred eighty-five billion, eight hundred forty-nine million, one hundred thirty-three thousand, seven hundred twenty".