224172672 has 32 divisors (see below), whose sum is σ = 595459680. Its totient is φ = 74724096.

The previous prime is 224172671. The next prime is 224172673. The reversal of 224172672 is 276271422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (224172671) and next prime (224172673).

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (224172671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291508 + ... + 292275.

It is an arithmetic number, because the mean of its divisors is an integer number (18608115).

Almost surely, 2^224172672 is an apocalyptic number.

It is an amenable number.

224172672 is an abundant number, since it is smaller than the sum of its proper divisors (371287008).

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

224172672 is an equidigital number, since it uses as much as digits as its factorization.

224172672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583800 (or 583788 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 224172672 is about 14972.3970024843. The cubic root of 224172672 is about 607.4738060477.

The spelling of 224172672 in words is "two hundred twenty-four million, one hundred seventy-two thousand, six hundred seventy-two".