434461221 has 6 divisors (see below), whose sum is σ = 627555110. Its totient is φ = 289640808.

The previous prime is 434461213. The next prime is 434461229. The reversal of 434461221 is 122164434.

It is a happy number.

434461221 is a `hidden beast` number, since 4 + 3 + 44 + 612 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (434461213) and next prime (434461229).

It can be written as a sum of positive squares in only one way, i.e., 347412321 + 87048900 = 18639^2 + 9330^2 .

It is not a de Polignac number, because 434461221 - 2³ = 434461213 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 (434461229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24136726 + ... + 24136743.

Almost surely, 2^434461221 is an apocalyptic number.

It is an amenable number.

434461221 is a deficient number, since it is larger than the sum of its proper divisors (193093889).

434461221 is a wasteful number, since it uses less digits than its factorization.

434461221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48273475 (or 48273472 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 434461221 is about 20843.7333748060. The cubic root of 434461221 is about 757.3855344473.

The spelling of 434461221 in words is "four hundred thirty-four million, four hundred sixty-one thousand, two hundred twenty-one".