204226697 has 2 divisors, whose sum is σ = 204226698. Its totient is φ = 204226696.

The previous prime is 204226691. The next prime is 204226709. The reversal of 204226697 is 796622402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201044041 + 3182656 = 14179^2 + 1784^2 .

It is a cyclic number.

It is not a de Polignac number, because 204226697 - 2⁴ = 204226681 is a prime.

It is a super-3 number, since 3×204226697³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204226697.

It is not a weakly prime, because it can be changed into another prime (204226691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102113348 + 102113349.

It is an arithmetic number, because the mean of its divisors is an integer number (102113349).

Almost surely, 2^204226697 is an apocalyptic number.

It is an amenable number.

204226697 is a deficient number, since it is larger than the sum of its proper divisors (1).

204226697 is an equidigital number, since it uses as much as digits as its factorization.

204226697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 204226697 is about 14290.7906359305. The cubic root of 204226697 is about 588.8945084877.

The spelling of 204226697 in words is "two hundred four million, two hundred twenty-six thousand, six hundred ninety-seven".