224454420 has 72 divisors (see below), whose sum is σ = 685819680. Its totient is φ = 59417280.

The previous prime is 224454413. The next prime is 224454427. The reversal of 224454420 is 24454422.

It is an interprime number because it is at equal distance from previous prime (224454413) and next prime (224454427).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224454427) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 20535 + ... + 29505.

Almost surely, 2^224454420 is an apocalyptic number.

224454420 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 224454420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342909840).

224454420 is an abundant number, since it is smaller than the sum of its proper divisors (461365260).

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

224454420 is a wasteful number, since it uses less digits than its factorization.

224454420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9125 (or 9120 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 224454420 is about 14981.8029622606. The cubic root of 224454420 is about 607.7281975607.

The spelling of 224454420 in words is "two hundred twenty-four million, four hundred fifty-four thousand, four hundred twenty".