463422221 has 8 divisors (see below), whose sum is σ = 475783224. Its totient is φ = 451111680.

The previous prime is 463422187. The next prime is 463422259. The reversal of 463422221 is 122224364.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 570025 + 462852196 = 755^2 + 21514^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 463422221 - 2¹⁸ = 463160077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463422121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6371 + ... + 31103.

It is an arithmetic number, because the mean of its divisors is an integer number (59472903).

Almost surely, 2^463422221 is an apocalyptic number.

463422221 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

463422221 is a deficient number, since it is larger than the sum of its proper divisors (12361003).

463422221 is a wasteful number, since it uses less digits than its factorization.

463422221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25231.

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

The square root of 463422221 is about 21527.2436925864. The cubic root of 463422221 is about 773.8538568341.

Adding to 463422221 its reverse (122224364), we get a palindrome (585646585).

The spelling of 463422221 in words is "four hundred sixty-three million, four hundred twenty-two thousand, two hundred twenty-one".