2022541 has 4 divisors (see below), whose sum is σ = 2141532. Its totient is φ = 1903552.

The previous prime is 2022539. The next prime is 2022583. The reversal of 2022541 is 1452202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1452202 = 2 ⋅726101.

It can be written as a sum of positive squares in 2 ways, for example, as 980100 + 1042441 = 990^2 + 1021^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022541 - 2¹ = 2022539 is a prime.

It is a super-4 number, since 4×2022541⁴ (a number of 26 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59470 + ... + 59503.

It is an arithmetic number, because the mean of its divisors is an integer number (535383).

2^2022541 is an apocalyptic number.

It is an amenable number.

2022541 is a deficient number, since it is larger than the sum of its proper divisors (118991).

2022541 is a wasteful number, since it uses less digits than its factorization.

2022541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118990.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2022541 is about 1422.1606800921. The cubic root of 2022541 is about 126.4636691535.

Adding to 2022541 its reverse (1452202), we get a palindrome (3474743).

The spelling of 2022541 in words is "two million, twenty-two thousand, five hundred forty-one".