2425221226 has 4 divisors (see below), whose sum is σ = 3637831842. Its totient is φ = 1212610612.

The previous prime is 2425221221. The next prime is 2425221247. The reversal of 2425221226 is 6221225242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1391663025 + 1033558201 = 37305^2 + 32149^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2425221194 and 2425221203.

It is not an unprimeable number, because it can be changed into a prime (2425221221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606305305 + ... + 606305308.

Almost surely, 2^2425221226 is an apocalyptic number.

2425221226 is a deficient number, since it is larger than the sum of its proper divisors (1212610616).

2425221226 is a wasteful number, since it uses less digits than its factorization.

2425221226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212610615.

The product of its digits is 7680, while the sum is 28.

The square root of 2425221226 is about 49246.5351674613. The cubic root of 2425221226 is about 1343.5395443660.

Adding to 2425221226 its reverse (6221225242), we get a palindrome (8646446468).

The spelling of 2425221226 in words is "two billion, four hundred twenty-five million, two hundred twenty-one thousand, two hundred twenty-six".