2225444505522 has 16 divisors (see below), whose sum is σ = 5086730298432. Its totient is φ = 635841287280.

The previous prime is 2225444505509. The next prime is 2225444505523. The reversal of 2225444505522 is 2255054445222.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 52986773941 = 2225444505522 / (2 + 2 + 2 + 5 + 4 + 4 + 4 + 5 + 0 + 5 + 5 + 2 + 2).

It is not an unprimeable number, because it can be changed into a prime (2225444505523) 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, 26493386929 + ... + 26493387012.

It is an arithmetic number, because the mean of its divisors is an integer number (317920643652).

Almost surely, 2^{2225444505522} is an apocalyptic number.

2225444505522 is an abundant number, since it is smaller than the sum of its proper divisors (2861285792910).

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

2225444505522 is a wasteful number, since it uses less digits than its factorization.

2225444505522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52986773953.

The product of its (nonzero) digits is 1280000, while the sum is 42.

The spelling of 2225444505522 in words is "two trillion, two hundred twenty-five billion, four hundred forty-four million, five hundred five thousand, five hundred twenty-two".