223697488 has 80 divisors (see below), whose sum is σ = 538378240. Its totient is φ = 87868800.

The previous prime is 223697479. The next prime is 223697491. The reversal of 223697488 is 884796322.

It is a super-2 number, since 2×223697488² = 100081132275020288, which contains 22 as substring.

Its product of digits (1161216) is a multiple of the sum of its prime factors (3456).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64273 + ... + 67663.

It is an arithmetic number, because the mean of its divisors is an integer number (6729728).

Almost surely, 2^223697488 is an apocalyptic number.

223697488 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 223697488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269189120).

223697488 is an abundant number, since it is smaller than the sum of its proper divisors (314680752).

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

223697488 is a wasteful number, since it uses less digits than its factorization.

223697488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3456 (or 3450 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The square root of 223697488 is about 14956.5199160767. The cubic root of 223697488 is about 607.0442769826.

The spelling of 223697488 in words is "two hundred twenty-three million, six hundred ninety-seven thousand, four hundred eighty-eight".