204226425 has 36 divisors (see below), whose sum is σ = 393935724. Its totient is φ = 100540800.

The previous prime is 204226409. The next prime is 204226427. The reversal of 204226425 is 524622402.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 59721984 + 144504441 = 7728^2 + 12021^2 .

It is not a de Polignac number, because 204226425 - 2⁴ = 204226409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204226427) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31986 + ... + 37835.

It is an arithmetic number, because the mean of its divisors is an integer number (10942659).

Almost surely, 2^204226425 is an apocalyptic number.

204226425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204226425 is a deficient number, since it is larger than the sum of its proper divisors (189709299).

204226425 is a wasteful number, since it uses less digits than its factorization.

204226425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69850 (or 69842 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 204226425 is about 14290.7811193090. The cubic root of 204226425 is about 588.8942470472.

Adding to 204226425 its reverse (524622402), we get a palindrome (728848827).

The spelling of 204226425 in words is "two hundred four million, two hundred twenty-six thousand, four hundred twenty-five".