2121225434 has 8 divisors (see below), whose sum is σ = 3183692148. Its totient is φ = 1059994720.

The previous prime is 2121225419. The next prime is 2121225451. The reversal of 2121225434 is 4345221212.

It can be written as a sum of positive squares in 2 ways, for example, as 2121063025 + 162409 = 46055^2 + 403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304697 + ... + 311580.

Almost surely, 2^2121225434 is an apocalyptic number.

2121225434 is a deficient number, since it is larger than the sum of its proper divisors (1062466714).

2121225434 is a wasteful number, since it uses less digits than its factorization.

2121225434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618000.

The product of its digits is 3840, while the sum is 26.

The square root of 2121225434 is about 46056.7631732843. The cubic root of 2121225434 is about 1284.8791306823.

Adding to 2121225434 its reverse (4345221212), we get a palindrome (6466446646).

The spelling of 2121225434 in words is "two billion, one hundred twenty-one million, two hundred twenty-five thousand, four hundred thirty-four".