225420024522 has 64 divisors (see below), whose sum is σ = 563502587904. Its totient is φ = 58403125440.

The previous prime is 225420024517. The next prime is 225420024527.

225420024522 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (225420024517) and next prime (225420024527).

It is a self number, because there is not a number n which added to its sum of digits gives 225420024522.

It is not an unprimeable number, because it can be changed into a prime (225420024527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 431098 + ... + 797925.

It is an arithmetic number, because the mean of its divisors is an integer number (8804727936).

Almost surely, 2^225420024522 is an apocalyptic number.

225420024522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225420024522 is an abundant number, since it is smaller than the sum of its proper divisors (338082563382).

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

225420024522 is a wasteful number, since it uses less digits than its factorization.

225420024522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229443.

The product of its (nonzero) digits is 25600, while the sum is 30.

It can be divided in two parts, 2254200 and 24522, that added together give a palindrome (2278722).

The spelling of 225420024522 in words is "two hundred twenty-five billion, four hundred twenty million, twenty-four thousand, five hundred twenty-two".