224545620 has 96 divisors (see below), whose sum is σ = 679633920. Its totient is φ = 55065600.

The previous prime is 224545583. The next prime is 224545621. The reversal of 224545620 is 26545422.

It is a happy number.

224545620 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×224545620² = 100841470922368800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224545621) 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 31 ways as a sum of consecutive naturals, for example, 373320 + ... + 373920.

It is an arithmetic number, because the mean of its divisors is an integer number (7079520).

Almost surely, 2^224545620 is an apocalyptic number.

224545620 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 224545620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339816960).

224545620 is an abundant number, since it is smaller than the sum of its proper divisors (455088300).

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

224545620 is a wasteful number, since it uses less digits than its factorization.

224545620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 224545620 is about 14984.8463455586. The cubic root of 224545620 is about 607.8104968334.

The spelling of 224545620 in words is "two hundred twenty-four million, five hundred forty-five thousand, six hundred twenty".