2422452421 has 4 divisors (see below), whose sum is σ = 2424622252. Its totient is φ = 2420282592.

The previous prime is 2422452413. The next prime is 2422452467. The reversal of 2422452421 is 1242542242.

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 1275275521 + 1147176900 = 35711^2 + 33870^2 .

It is a cyclic number.

It is not a de Polignac number, because 2422452421 - 2³ = 2422452413 is a prime.

It is a super-2 number, since 2×2422452421² = 11736551464017522482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2422452421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422455421) 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, 1083240 + ... + 1085473.

It is an arithmetic number, because the mean of its divisors is an integer number (606155563).

Almost surely, 2^2422452421 is an apocalyptic number.

It is an amenable number.

2422452421 is a deficient number, since it is larger than the sum of its proper divisors (2169831).

2422452421 is a wasteful number, since it uses less digits than its factorization.

2422452421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169830.

The product of its digits is 10240, while the sum is 28.

The square root of 2422452421 is about 49218.4154661647. The cubic root of 2422452421 is about 1343.0280562402.

Adding to 2422452421 its reverse (1242542242), we get a palindrome (3664994663).

The spelling of 2422452421 in words is "two billion, four hundred twenty-two million, four hundred fifty-two thousand, four hundred twenty-one".