223274718840 has 64 divisors (see below), whose sum is σ = 669856327200. Its totient is φ = 59537065472.

The previous prime is 223274718811. The next prime is 223274718883. The reversal of 223274718840 is 48817472322.

It is a happy number.

It is a super-3 number, since 3×223274718840³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223274718840.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3935314 + ... + 3991646.

Almost surely, 2^223274718840 is an apocalyptic number.

223274718840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223274718840 is an abundant number, since it is smaller than the sum of its proper divisors (446581608360).

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

223274718840 is a wasteful number, since it uses less digits than its factorization.

223274718840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89376 (or 89372 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 48.

The spelling of 223274718840 in words is "two hundred twenty-three billion, two hundred seventy-four million, seven hundred eighteen thousand, eight hundred forty".