225969969522 has 16 divisors (see below), whose sum is σ = 493025388192. Its totient is φ = 68475748320.

The previous prime is 225969969493. The next prime is 225969969559.

225969969522 is nontrivially palindromic in base 10.

225969969522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (66), and also a Moran number because the ratio is a prime number: 3423787417 = 225969969522 / (2 + 2 + 5 + 9 + 6 + 9 + 9 + 6 + 9 + 5 + 2 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1711893643 + ... + 1711893774.

It is an arithmetic number, because the mean of its divisors is an integer number (30814086762).

Almost surely, 2^225969969522 is an apocalyptic number.

225969969522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225969969522 is an abundant number, since it is smaller than the sum of its proper divisors (267055418670).

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

225969969522 is a wasteful number, since it uses less digits than its factorization.

225969969522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3423787433.

The product of its digits is 94478400, while the sum is 66.

The spelling of 225969969522 in words is "two hundred twenty-five billion, nine hundred sixty-nine million, nine hundred sixty-nine thousand, five hundred twenty-two".