224087220 has 144 divisors (see below), whose sum is σ = 802034688. Its totient is φ = 49559040.

The previous prime is 224087219. The next prime is 224087243. The reversal of 224087220 is 22780422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36192 + ... + 41928.

Almost surely, 2^224087220 is an apocalyptic number.

224087220 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 224087220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401017344).

224087220 is an abundant number, since it is smaller than the sum of its proper divisors (577947468).

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

224087220 is a wasteful number, since it uses less digits than its factorization.

224087220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5790 (or 5785 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 224087220 is about 14969.5430791992. The cubic root of 224087220 is about 607.3966089353.

The spelling of 224087220 in words is "two hundred twenty-four million, eighty-seven thousand, two hundred twenty".