224442120 has 64 divisors (see below), whose sum is σ = 769518720. Its totient is φ = 51300864.

The previous prime is 224442103. The next prime is 224442137. The reversal of 224442120 is 21244422.

It is an interprime number because it is at equal distance from previous prime (224442103) and next prime (224442137).

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 132757 + ... + 134436.

It is an arithmetic number, because the mean of its divisors is an integer number (12023730).

Almost surely, 2^224442120 is an apocalyptic number.

224442120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224442120 is an abundant number, since it is smaller than the sum of its proper divisors (545076600).

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

224442120 is a wasteful number, since it uses less digits than its factorization.

224442120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267214 (or 267210 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 224442120 is about 14981.3924586468. The cubic root of 224442120 is about 607.7170962817.

Adding to 224442120 its reverse (21244422), we get a palindrome (245686542).

The spelling of 224442120 in words is "two hundred twenty-four million, four hundred forty-two thousand, one hundred twenty".