223498997280 has 1728 divisors, whose sum is σ = 975703397760. Its totient is φ = 47727968256.

The previous prime is 223498997269. The next prime is 223498997291. The reversal of 223498997280 is 82799894322.

223498997280 is a `hidden beast` number, since 2 + 2 + 349 + 8 + 9 + 9 + 7 + 280 = 666.

It is an interprime number because it is at equal distance from previous prime (223498997269) and next prime (223498997291).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 6040513422 + ... + 6040513458.

It is an arithmetic number, because the mean of its divisors is an integer number (564643170).

Almost surely, 2^223498997280 is an apocalyptic number.

223498997280 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 223498997280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487851698880).

223498997280 is an abundant number, since it is smaller than the sum of its proper divisors (752204400480).

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

223498997280 is a wasteful number, since it uses less digits than its factorization.

223498997280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 223498997280 in words is "two hundred twenty-three billion, four hundred ninety-eight million, nine hundred ninety-seven thousand, two hundred eighty".