422234261 has 4 divisors (see below), whose sum is σ = 423242400. Its totient is φ = 421226124.

The previous prime is 422234257. The next prime is 422234273. The reversal of 422234261 is 162432224.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 422234261 - 2² = 422234257 is a prime.

It is a super-2 number, since 2×422234261² = 356563542324432242, 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 422234261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422234251) 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, 503441 + ... + 504278.

It is an arithmetic number, because the mean of its divisors is an integer number (105810600).

Almost surely, 2^422234261 is an apocalyptic number.

It is an amenable number.

422234261 is a deficient number, since it is larger than the sum of its proper divisors (1008139).

422234261 is a wasteful number, since it uses less digits than its factorization.

422234261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008138.

The product of its digits is 4608, while the sum is 26.

The square root of 422234261 is about 20548.3396166211. The cubic root of 422234261 is about 750.2128350034.

Adding to 422234261 its reverse (162432224), we get a palindrome (584666485).

It can be divided in two parts, 4222 and 34261, that added together give a palindrome (38483).

The spelling of 422234261 in words is "four hundred twenty-two million, two hundred thirty-four thousand, two hundred sixty-one".