224777447449 has 9 divisors (see below), whose sum is σ = 237239999103. Its totient is φ = 212938521552.

The previous prime is 224777447443. The next prime is 224777447483. The reversal of 224777447449 is 944744777422.

It is a happy number.

The square root of 224777447449 is 474107.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 163090784025 + 61686663424 = 403845^2 + 248368^2 .

It is not a de Polignac number, because 224777447449 - 2²³ = 224769058841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224777447443) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8995557 + ... + 9020509.

Almost surely, 2^224777447449 is an apocalyptic number.

224777447449 is the 474107-th square number.

224777447449 is the 237054-th centered octagonal number.

It is an amenable number.

224777447449 is a deficient number, since it is larger than the sum of its proper divisors (12462551654).

224777447449 is an frugal number, since it uses more digits than its factorization.

224777447449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49944 (or 24972 counting only the distinct ones).

The product of its digits is 88510464, while the sum is 61.

The spelling of 224777447449 in words is "two hundred twenty-four billion, seven hundred seventy-seven million, four hundred forty-seven thousand, four hundred forty-nine".