534221447 has 4 divisors (see below), whose sum is σ = 565646256. Its totient is φ = 502796640.

The previous prime is 534221407. The next prime is 534221453. The reversal of 534221447 is 744122435.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 534221447 - 2¹² = 534217351 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 (534221407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15712379 + ... + 15712412.

It is an arithmetic number, because the mean of its divisors is an integer number (141411564).

Almost surely, 2^534221447 is an apocalyptic number.

534221447 is a deficient number, since it is larger than the sum of its proper divisors (31424809).

534221447 is a wasteful number, since it uses less digits than its factorization.

534221447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31424808.

The product of its digits is 26880, while the sum is 32.

The square root of 534221447 is about 23113.2309943893. The cubic root of 534221447 is about 811.4101570070.

The spelling of 534221447 in words is "five hundred thirty-four million, two hundred twenty-one thousand, four hundred forty-seven".