224515801 has 2 divisors, whose sum is σ = 224515802. Its totient is φ = 224515800.

The previous prime is 224515793. The next prime is 224515813. The reversal of 224515801 is 108515422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224280576 + 235225 = 14976^2 + 485^2 .

It is a cyclic number.

It is not a de Polignac number, because 224515801 - 2³ = 224515793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224515801.

It is not a weakly prime, because it can be changed into another prime (224515871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112257900 + 112257901.

It is an arithmetic number, because the mean of its divisors is an integer number (112257901).

Almost surely, 2^224515801 is an apocalyptic number.

It is an amenable number.

224515801 is a deficient number, since it is larger than the sum of its proper divisors (1).

224515801 is an equidigital number, since it uses as much as digits as its factorization.

224515801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 224515801 is about 14983.8513406934. The cubic root of 224515801 is about 607.7835904917.

The spelling of 224515801 in words is "two hundred twenty-four million, five hundred fifteen thousand, eight hundred one".