547801222 has 4 divisors (see below), whose sum is σ = 821701836. Its totient is φ = 273900610.

The previous prime is 547801207. The next prime is 547801231. The reversal of 547801222 is 222108745.

It is a happy number.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136950304 + ... + 136950307.

It is an arithmetic number, because the mean of its divisors is an integer number (205425459).

Almost surely, 2^547801222 is an apocalyptic number.

547801222 is a deficient number, since it is larger than the sum of its proper divisors (273900614).

547801222 is a wasteful number, since it uses less digits than its factorization.

547801222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273900613.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 547801222 is about 23405.1537486939. The cubic root of 547801222 is about 818.2279908406.

Adding to 547801222 its reverse (222108745), we get a palindrome (769909967).

The spelling of 547801222 in words is "five hundred forty-seven million, eight hundred one thousand, two hundred twenty-two".