224501345 has 4 divisors (see below), whose sum is σ = 269401620. Its totient is φ = 179601072.

The previous prime is 224501341. The next prime is 224501357. The reversal of 224501345 is 543105422.

It is a happy number.

224501345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 152794321 + 71707024 = 12361^2 + 8468^2 .

It is a cyclic number.

It is not a de Polignac number, because 224501345 - 2² = 224501341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224501341) 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, 22450130 + ... + 22450139.

It is an arithmetic number, because the mean of its divisors is an integer number (67350405).

Almost surely, 2^224501345 is an apocalyptic number.

It is an amenable number.

224501345 is a deficient number, since it is larger than the sum of its proper divisors (44900275).

224501345 is an equidigital number, since it uses as much as digits as its factorization.

224501345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44900274.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 224501345 is about 14983.3689469358. The cubic root of 224501345 is about 607.7705456665.

Adding to 224501345 its reverse (543105422), we get a palindrome (767606767).

The spelling of 224501345 in words is "two hundred twenty-four million, five hundred one thousand, three hundred forty-five".