225535535522 has 16 divisors (see below), whose sum is σ = 377640898272. Its totient is φ = 100132055520.

The previous prime is 225535535497. The next prime is 225535535531.

225535535522 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119203883 + ... + 119205774.

It is an arithmetic number, because the mean of its divisors is an integer number (23602556142).

Almost surely, 2^225535535522 is an apocalyptic number.

225535535522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225535535522 is a deficient number, since it is larger than the sum of its proper divisors (152105362750).

225535535522 is a wasteful number, since it uses less digits than its factorization.

225535535522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238409713.

The product of its digits is 2250000, while the sum is 44.

The spelling of 225535535522 in words is "two hundred twenty-five billion, five hundred thirty-five million, five hundred thirty-five thousand, five hundred twenty-two".