224197087 has 2 divisors, whose sum is σ = 224197088. Its totient is φ = 224197086.

The previous prime is 224197079. The next prime is 224197091. The reversal of 224197087 is 780791422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 224197087 - 2³ = 224197079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224195087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112098543 + 112098544.

It is an arithmetic number, because the mean of its divisors is an integer number (112098544).

Almost surely, 2^224197087 is an apocalyptic number.

224197087 is a deficient number, since it is larger than the sum of its proper divisors (1).

224197087 is an equidigital number, since it uses as much as digits as its factorization.

224197087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 224197087 is about 14973.2123139960. The cubic root of 224197087 is about 607.4958588912.

The spelling of 224197087 in words is "two hundred twenty-four million, one hundred ninety-seven thousand, eighty-seven".