245206209222 has 48 divisors (see below), whose sum is σ = 572348125440. Its totient is φ = 75421650816.

The previous prime is 245206209161. The next prime is 245206209223. The reversal of 245206209222 is 222902602542.

245206209222 is a `hidden beast` number, since 2 + 4 + 5 + 2 + 0 + 620 + 9 + 2 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245206209223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 491698 + ... + 855674.

It is an arithmetic number, because the mean of its divisors is an integer number (11923919280).

Almost surely, 2^245206209222 is an apocalyptic number.

245206209222 is an abundant number, since it is smaller than the sum of its proper divisors (327141916218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245206209222 is a wasteful number, since it uses less digits than its factorization.

245206209222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366877 (or 366874 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 245206209222 in words is "two hundred forty-five billion, two hundred six million, two hundred nine thousand, two hundred twenty-two".