224967681 has 12 divisors (see below), whose sum is σ = 344068452. Its totient is φ = 141156096.

The previous prime is 224967679. The next prime is 224967683. The reversal of 224967681 is 186769422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (224967679) and next prime (224967683).

It can be written as a sum of positive squares in 2 ways, for example, as 154256400 + 70711281 = 12420^2 + 8409^2 .

It is not a de Polignac number, because 224967681 - 2¹ = 224967679 is a prime.

It is a super-2 number, since 2×224967681² = 101220914989035522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (224967683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 735036 + ... + 735341.

It is an arithmetic number, because the mean of its divisors is an integer number (28672371).

Almost surely, 2^224967681 is an apocalyptic number.

It is an amenable number.

224967681 is a deficient number, since it is larger than the sum of its proper divisors (119100771).

224967681 is a wasteful number, since it uses less digits than its factorization.

224967681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470400 (or 1470397 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 224967681 is about 14998.9226613114. The cubic root of 224967681 is about 608.1910765797.

The spelling of 224967681 in words is "two hundred twenty-four million, nine hundred sixty-seven thousand, six hundred eighty-one".