205225402 has 32 divisors (see below), whose sum is σ = 324913680. Its totient is φ = 97090560.

The previous prime is 205225387. The next prime is 205225439. The reversal of 205225402 is 204522502.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 27029601 + 178195801 = 5199^2 + 13349^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1133752 + ... + 1133932.

Almost surely, 2^205225402 is an apocalyptic number.

205225402 is a deficient number, since it is larger than the sum of its proper divisors (119688278).

205225402 is a wasteful number, since it uses less digits than its factorization.

205225402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 205225402 is about 14325.6902800528. The cubic root of 205225402 is about 589.8528810623.

Adding to 205225402 its reverse (204522502), we get a palindrome (409747904).

The spelling of 205225402 in words is "two hundred five million, two hundred twenty-five thousand, four hundred two".