2225521140505 has 24 divisors (see below), whose sum is σ = 3061970073432. Its totient is φ = 1546787533824.

The previous prime is 2225521140421. The next prime is 2225521140517. The reversal of 2225521140505 is 5050411255222.

It can be written as a sum of positive squares in 12 ways, for example, as 426926332816 + 1798594807689 = 653396^2 + 1341117^2 .

It is not a de Polignac number, because 2225521140505 - 2⁷ = 2225521140377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77448954 + ... + 77477683.

It is an arithmetic number, because the mean of its divisors is an integer number (127582086393).

Almost surely, 2^{2225521140505} is an apocalyptic number.

It is an amenable number.

2225521140505 is a deficient number, since it is larger than the sum of its proper divisors (836448932927).

2225521140505 is a wasteful number, since it uses less digits than its factorization.

2225521140505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154926685 (or 154926672 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

Adding to 2225521140505 its reverse (5050411255222), we get a palindrome (7275932395727).

The spelling of 2225521140505 in words is "two trillion, two hundred twenty-five billion, five hundred twenty-one million, one hundred forty thousand, five hundred five".