2422121451 has 4 divisors (see below), whose sum is σ = 3229495272. Its totient is φ = 1614747632.

The previous prime is 2422121437. The next prime is 2422121509. The reversal of 2422121451 is 1541212242.

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 2422121451 - 2¹⁴ = 2422105067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2422121411) 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, 403686906 + ... + 403686911.

It is an arithmetic number, because the mean of its divisors is an integer number (807373818).

Almost surely, 2^2422121451 is an apocalyptic number.

2422121451 is a deficient number, since it is larger than the sum of its proper divisors (807373821).

2422121451 is an equidigital number, since it uses as much as digits as its factorization.

2422121451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807373820.

The product of its digits is 1280, while the sum is 24.

The square root of 2422121451 is about 49215.0530935404. The cubic root of 2422121451 is about 1342.9668892678.

Adding to 2422121451 its reverse (1541212242), we get a palindrome (3963333693).

The spelling of 2422121451 in words is "two billion, four hundred twenty-two million, one hundred twenty-one thousand, four hundred fifty-one".