547426221 has 8 divisors (see below), whose sum is σ = 731147424. Its totient is φ = 364327920.

The previous prime is 547426181. The next prime is 547426223. The reversal of 547426221 is 122624745.

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

It is not a de Polignac number, because 547426221 - 2¹⁵ = 547393453 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547426223) 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 7 ways as a sum of consecutive naturals, for example, 153670 + ... + 157191.

It is an arithmetic number, because the mean of its divisors is an integer number (91393428).

Almost surely, 2^547426221 is an apocalyptic number.

It is an amenable number.

547426221 is a deficient number, since it is larger than the sum of its proper divisors (183721203).

547426221 is a wasteful number, since it uses less digits than its factorization.

547426221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311451.

The product of its digits is 26880, while the sum is 33.

The square root of 547426221 is about 23397.1412997400. The cubic root of 547426221 is about 818.0412404010.

The spelling of 547426221 in words is "five hundred forty-seven million, four hundred twenty-six thousand, two hundred twenty-one".