461422221 has 12 divisors (see below), whose sum is σ = 666196128. Its totient is φ = 283951824.

The previous prime is 461422189. The next prime is 461422231. The reversal of 461422221 is 122224164.

It is a happy number.

It is not a de Polignac number, because 461422221 - 2⁵ = 461422189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 461422191 and 461422200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461422231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 454545 + ... + 455558.

It is an arithmetic number, because the mean of its divisors is an integer number (55516344).

Almost surely, 2^461422221 is an apocalyptic number.

It is an amenable number.

461422221 is a deficient number, since it is larger than the sum of its proper divisors (204773907).

461422221 is a wasteful number, since it uses less digits than its factorization.

461422221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910132 (or 910119 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 461422221 is about 21480.7406995197. The cubic root of 461422221 is about 772.7390062813.

Adding to 461422221 its reverse (122224164), we get a palindrome (583646385).

The spelling of 461422221 in words is "four hundred sixty-one million, four hundred twenty-two thousand, two hundred twenty-one".