245550121222 has 32 divisors (see below), whose sum is σ = 425437401600. Its totient is φ = 104114777280.

The previous prime is 245550121217. The next prime is 245550121279. The reversal of 245550121222 is 222121055542.

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, 1032279 + ... + 1247677.

It is an arithmetic number, because the mean of its divisors is an integer number (13294918800).

Almost surely, 2^245550121222 is an apocalyptic number.

245550121222 is a deficient number, since it is larger than the sum of its proper divisors (179887280378).

245550121222 is a wasteful number, since it uses less digits than its factorization.

245550121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216276.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 245550121222 its reverse (222121055542), we get a palindrome (467671176764).

The spelling of 245550121222 in words is "two hundred forty-five billion, five hundred fifty million, one hundred twenty-one thousand, two hundred twenty-two".