2022042502421 has 4 divisors (see below), whose sum is σ = 2140986179052. Its totient is φ = 1903098825792.

The previous prime is 2022042502379. The next prime is 2022042502483. The reversal of 2022042502421 is 1242052402202.

It is a happy number.

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 681574080625 + 1340468421796 = 825575^2 + 1157786^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022042502421 - 2¹⁸ = 2022042240277 is a prime.

It is a super-2 number, since 2×2022042502421² (a number of 25 digits) contains 22 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 (2022042502121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59471838290 + ... + 59471838323.

It is an arithmetic number, because the mean of its divisors is an integer number (535246544763).

Almost surely, 2^{2022042502421} is an apocalyptic number.

It is an amenable number.

2022042502421 is a deficient number, since it is larger than the sum of its proper divisors (118943676631).

2022042502421 is a wasteful number, since it uses less digits than its factorization.

2022042502421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118943676630.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 2022042502421 its reverse (1242052402202), we get a palindrome (3264094904623).

The spelling of 2022042502421 in words is "two trillion, twenty-two billion, forty-two million, five hundred two thousand, four hundred twenty-one".