224274749 has 4 divisors (see below), whose sum is σ = 226794780. Its totient is φ = 221754720.

The previous prime is 224274737. The next prime is 224274769. The reversal of 224274749 is 947472422.

It is a happy number.

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 68773849 + 155500900 = 8293^2 + 12470^2 .

It is a cyclic number.

It is not a de Polignac number, because 224274749 - 2⁴ = 224274733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224274709) 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, 1259882 + ... + 1260059.

It is an arithmetic number, because the mean of its divisors is an integer number (56698695).

Almost surely, 2^224274749 is an apocalyptic number.

It is an amenable number.

224274749 is a deficient number, since it is larger than the sum of its proper divisors (2520031).

224274749 is an equidigital number, since it uses as much as digits as its factorization.

224274749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520030.

The product of its digits is 225792, while the sum is 41.

The square root of 224274749 is about 14975.8054541317. The cubic root of 224274749 is about 607.5659964317.

The spelling of 224274749 in words is "two hundred twenty-four million, two hundred seventy-four thousand, seven hundred forty-nine".