425122211 has 2 divisors, whose sum is σ = 425122212. Its totient is φ = 425122210.

The previous prime is 425122183. The next prime is 425122253. The reversal of 425122211 is 112221524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425122211 - 2²² = 420927907 is a prime.

It is not a weakly prime, because it can be changed into another prime (425112211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212561105 + 212561106.

It is an arithmetic number, because the mean of its divisors is an integer number (212561106).

Almost surely, 2^425122211 is an apocalyptic number.

425122211 is a deficient number, since it is larger than the sum of its proper divisors (1).

425122211 is an equidigital number, since it uses as much as digits as its factorization.

425122211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 320, while the sum is 20.

The square root of 425122211 is about 20618.4919671638. The cubic root of 425122211 is about 751.9193570863.

Adding to 425122211 its reverse (112221524), we get a palindrome (537343735).

It can be divided in two parts, 4251 and 22211, that added together give a palindrome (26462).

The spelling of 425122211 in words is "four hundred twenty-five million, one hundred twenty-two thousand, two hundred eleven".