2022520142245 has 4 divisors (see below), whose sum is σ = 2427024170700. Its totient is φ = 1618016113792.

The previous prime is 2022520142183. The next prime is 2022520142261. The reversal of 2022520142245 is 5422410252202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 785871612036 + 1236648530209 = 886494^2 + 1112047^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022520142245 - 2⁷ = 2022520142117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202252014220 + ... + 202252014229.

It is an arithmetic number, because the mean of its divisors is an integer number (606756042675).

Almost surely, 2^{2022520142245} is an apocalyptic number.

It is an amenable number.

2022520142245 is a deficient number, since it is larger than the sum of its proper divisors (404504028455).

2022520142245 is an equidigital number, since it uses as much as digits as its factorization.

2022520142245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404504028454.

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

Adding to 2022520142245 its reverse (5422410252202), we get a palindrome (7444930394447).

The spelling of 2022520142245 in words is "two trillion, twenty-two billion, five hundred twenty million, one hundred forty-two thousand, two hundred forty-five".