205622061 has 8 divisors (see below), whose sum is σ = 281572704. Its totient is φ = 133376400.

The previous prime is 205622059. The next prime is 205622071. The reversal of 205622061 is 160226502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 205622061 - 2¹ = 205622059 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205622051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926115 + ... + 926336.

It is an arithmetic number, because the mean of its divisors is an integer number (35196588).

Almost surely, 2^205622061 is an apocalyptic number.

It is an amenable number.

205622061 is a deficient number, since it is larger than the sum of its proper divisors (75950643).

205622061 is a wasteful number, since it uses less digits than its factorization.

205622061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852491.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 205622061 is about 14339.5279210998. The cubic root of 205622061 is about 590.2326584099.

Adding to 205622061 its reverse (160226502), we get a palindrome (365848563).

The spelling of 205622061 in words is "two hundred five million, six hundred twenty-two thousand, sixty-one".