205245002422 has 32 divisors (see below), whose sum is σ = 314859847680. Its totient is φ = 100319264640.

The previous prime is 205245002419. The next prime is 205245002449. The reversal of 205245002422 is 224200542502.

It is a super-2 number, since 2×205245002422² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 10011979 + ... + 10032457.

It is an arithmetic number, because the mean of its divisors is an integer number (9839370240).

Almost surely, 2^205245002422 is an apocalyptic number.

205245002422 is a deficient number, since it is larger than the sum of its proper divisors (109614845258).

205245002422 is a wasteful number, since it uses less digits than its factorization.

205245002422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21148.

The product of its (nonzero) digits is 12800, while the sum is 28.

Adding to 205245002422 its reverse (224200542502), we get a palindrome (429445544924).

The spelling of 205245002422 in words is "two hundred five billion, two hundred forty-five million, two thousand, four hundred twenty-two".