205226651 has 6 divisors (see below), whose sum is σ = 238733100. Its totient is φ = 175908516.

The previous prime is 205226641. The next prime is 205226663. The reversal of 205226651 is 156622502.

205226651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 205226651 - 2²⁶ = 138117787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205226611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2094101 + ... + 2094198.

It is an arithmetic number, because the mean of its divisors is an integer number (39788850).

Almost surely, 2^205226651 is an apocalyptic number.

205226651 is a deficient number, since it is larger than the sum of its proper divisors (33506449).

205226651 is an equidigital number, since it uses as much as digits as its factorization.

205226651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4188313 (or 4188306 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 205226651 is about 14325.7338729993. The cubic root of 205226651 is about 589.8540776730.

The spelling of 205226651 in words is "two hundred five million, two hundred twenty-six thousand, six hundred fifty-one".