2242520220145 has 16 divisors (see below), whose sum is σ = 2697988078800. Its totient is φ = 1789376512000.

The previous prime is 2242520220107. The next prime is 2242520220173. The reversal of 2242520220145 is 5410220252422.

It can be written as a sum of positive squares in 8 ways, for example, as 79294054464 + 2163226165681 = 281592^2 + 1470791^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2242520220145 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6109935 + ... + 6466555.

It is an arithmetic number, because the mean of its divisors is an integer number (168624254925).

Almost surely, 2^{2242520220145} is an apocalyptic number.

It is an amenable number.

2242520220145 is a deficient number, since it is larger than the sum of its proper divisors (455467858655).

2242520220145 is a wasteful number, since it uses less digits than its factorization.

2242520220145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359876.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 2242520220145 its reverse (5410220252422), we get a palindrome (7652740472567).

The spelling of 2242520220145 in words is "two trillion, two hundred forty-two billion, five hundred twenty million, two hundred twenty thousand, one hundred forty-five".