2022245121539 has 4 divisors (see below), whose sum is σ = 2022633348120. Its totient is φ = 2021856894960.

The previous prime is 2022245121503. The next prime is 2022245121599. The reversal of 2022245121539 is 9351215422202.

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

It is a cyclic number.

It is not a de Polignac number, because 2022245121539 - 2¹⁶ = 2022245056003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2022245121599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194105477 + ... + 194115894.

It is an arithmetic number, because the mean of its divisors is an integer number (505658337030).

Almost surely, 2^{2022245121539} is an apocalyptic number.

2022245121539 is a deficient number, since it is larger than the sum of its proper divisors (388226581).

2022245121539 is an equidigital number, since it uses as much as digits as its factorization.

2022245121539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388226580.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 2022245121539 in words is "two trillion, twenty-two billion, two hundred forty-five million, one hundred twenty-one thousand, five hundred thirty-nine".