224233540 has 48 divisors (see below), whose sum is σ = 487839744. Its totient is φ = 86486400.

The previous prime is 224233531. The next prime is 224233567. The reversal of 224233540 is 45332422.

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, 245685 + ... + 246595.

It is an arithmetic number, because the mean of its divisors is an integer number (10163328).

Almost surely, 2^224233540 is an apocalyptic number.

224233540 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 224233540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243919872).

224233540 is an abundant number, since it is smaller than the sum of its proper divisors (263606204).

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

224233540 is a wasteful number, since it uses less digits than its factorization.

224233540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 1346 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 224233540 is about 14974.4295383831. The cubic root of 224233540 is about 607.5287820761.

Adding to 224233540 its reverse (45332422), we get a palindrome (269565962).

The spelling of 224233540 in words is "two hundred twenty-four million, two hundred thirty-three thousand, five hundred forty".