224257001 has 2 divisors, whose sum is σ = 224257002. Its totient is φ = 224257000.

The previous prime is 224256947. The next prime is 224257021. The reversal of 224257001 is 100752422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222010000 + 2247001 = 14900^2 + 1499^2 .

It is a cyclic number.

It is not a de Polignac number, because 224257001 - 2²² = 220062697 is a prime.

It is not a weakly prime, because it can be changed into another prime (224257021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112128500 + 112128501.

It is an arithmetic number, because the mean of its divisors is an integer number (112128501).

Almost surely, 2^224257001 is an apocalyptic number.

It is an amenable number.

224257001 is a deficient number, since it is larger than the sum of its proper divisors (1).

224257001 is an equidigital number, since it uses as much as digits as its factorization.

224257001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 224257001 is about 14975.2128866337. The cubic root of 224257001 is about 607.5499694145.

The spelling of 224257001 in words is "two hundred twenty-four million, two hundred fifty-seven thousand, one".