224872477 has 2 divisors, whose sum is σ = 224872478. Its totient is φ = 224872476.

The previous prime is 224872469. The next prime is 224872511. The reversal of 224872477 is 774278422.

224872477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224820036 + 52441 = 14994^2 + 229^2 .

It is a cyclic number.

It is not a de Polignac number, because 224872477 - 2³ = 224872469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224872877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112436238 + 112436239.

It is an arithmetic number, because the mean of its divisors is an integer number (112436239).

Almost surely, 2^224872477 is an apocalyptic number.

It is an amenable number.

224872477 is a deficient number, since it is larger than the sum of its proper divisors (1).

224872477 is an equidigital number, since it uses as much as digits as its factorization.

224872477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 351232, while the sum is 43.

The square root of 224872477 is about 14995.7486308620. The cubic root of 224872477 is about 608.1052710797.

It can be divided in two parts, 22487 and 2477, that added together give a square (24964 = 158²).

The spelling of 224872477 in words is "two hundred twenty-four million, eight hundred seventy-two thousand, four hundred seventy-seven".