225072820122 has 16 divisors (see below), whose sum is σ = 454275418080. Its totient is φ = 74335977072.

The previous prime is 225072820109. The next prime is 225072820123. The reversal of 225072820122 is 221028270522.

It is not an unprimeable number, because it can be changed into a prime (225072820123) 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, 172073368 + ... + 172074675.

It is an arithmetic number, because the mean of its divisors is an integer number (28392213630).

Almost surely, 2^225072820122 is an apocalyptic number.

225072820122 is an abundant number, since it is smaller than the sum of its proper divisors (229202597958).

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

225072820122 is a wasteful number, since it uses less digits than its factorization.

225072820122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344148157.

The product of its (nonzero) digits is 17920, while the sum is 33.

The spelling of 225072820122 in words is "two hundred twenty-five billion, seventy-two million, eight hundred twenty thousand, one hundred twenty-two".