223497280 has 56 divisors (see below), whose sum is σ = 533762712. Its totient is φ = 89137152.

The previous prime is 223497277. The next prime is 223497293. The reversal of 223497280 is 82794322.

It can be written as a sum of positive squares in 4 ways, for example, as 5875776 + 217621504 = 2424^2 + 14752^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137754 + ... + 139366.

It is an arithmetic number, because the mean of its divisors is an integer number (9531477).

Almost surely, 2^223497280 is an apocalyptic number.

223497280 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 223497280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266881356).

223497280 is an abundant number, since it is smaller than the sum of its proper divisors (310265432).

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

223497280 is a wasteful number, since it uses less digits than its factorization.

223497280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063 (or 2053 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 223497280 is about 14949.8254170408. The cubic root of 223497280 is about 606.8631225175.

It can be divided in two parts, 223 and 497280, that added together give a triangular number (497503 = T₉₉₇).

The spelling of 223497280 in words is "two hundred twenty-three million, four hundred ninety-seven thousand, two hundred eighty".