204422531 has 2 divisors, whose sum is σ = 204422532. Its totient is φ = 204422530.

The previous prime is 204422483. The next prime is 204422563. The reversal of 204422531 is 135224402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204422531 - 2¹⁰ = 204421507 is a prime.

It is a super-2 number, since 2×204422531² = 83577142360891922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204422497 and 204422506.

It is not a weakly prime, because it can be changed into another prime (204422591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102211265 + 102211266.

It is an arithmetic number, because the mean of its divisors is an integer number (102211266).

Almost surely, 2^204422531 is an apocalyptic number.

204422531 is a deficient number, since it is larger than the sum of its proper divisors (1).

204422531 is an equidigital number, since it uses as much as digits as its factorization.

204422531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 204422531 is about 14297.6407494383. The cubic root of 204422531 is about 589.0826796498.

Adding to 204422531 its reverse (135224402), we get a palindrome (339646933).

The spelling of 204422531 in words is "two hundred four million, four hundred twenty-two thousand, five hundred thirty-one".