205222248537 has 8 divisors (see below), whose sum is σ = 273632007360. Its totient is φ = 136813661040.

The previous prime is 205222248467. The next prime is 205222248547. The reversal of 205222248537 is 735842222502.

It is a happy number.

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

It is not a de Polignac number, because 205222248537 - 2²⁷ = 205088030809 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (205222248547) 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, 271164 + ... + 695682.

It is an arithmetic number, because the mean of its divisors is an integer number (34204000920).

Almost surely, 2^205222248537 is an apocalyptic number.

It is an amenable number.

205222248537 is a deficient number, since it is larger than the sum of its proper divisors (68409758823).

205222248537 is a wasteful number, since it uses less digits than its factorization.

205222248537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585663.

The product of its (nonzero) digits is 537600, while the sum is 42.

The spelling of 205222248537 in words is "two hundred five billion, two hundred twenty-two million, two hundred forty-eight thousand, five hundred thirty-seven".