223221488 has 80 divisors (see below), whose sum is σ = 507538944. Its totient is φ = 93139200.

The previous prime is 223221473. The next prime is 223221503. The reversal of 223221488 is 884122322.

223221488 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (223221473) and next prime (223221503).

It is a super-3 number, since 3×223221488³ (a number of 26 digits) contains 333 as substring.

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, 1133006 + ... + 1133202.

Almost surely, 2^223221488 is an apocalyptic number.

223221488 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 223221488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253769472).

223221488 is an abundant number, since it is smaller than the sum of its proper divisors (284317456).

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

223221488 is a wasteful number, since it uses less digits than its factorization.

223221488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 424 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 223221488 is about 14940.5986493179. The cubic root of 223221488 is about 606.6134000382.

The spelling of 223221488 in words is "two hundred twenty-three million, two hundred twenty-one thousand, four hundred eighty-eight".