54431222 has 8 divisors (see below), whose sum is σ = 81863400. Its totient is φ = 27143424.

The previous prime is 54431213. The next prime is 54431233. The reversal of 54431222 is 22213445.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35147 + ... + 36662.

It is an arithmetic number, because the mean of its divisors is an integer number (10232925).

Almost surely, 2^54431222 is an apocalyptic number.

54431222 is a deficient number, since it is larger than the sum of its proper divisors (27432178).

54431222 is a wasteful number, since it uses less digits than its factorization.

54431222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72190.

The product of its digits is 1920, while the sum is 23.

The square root of 54431222 is about 7377.7518255902. The cubic root of 54431222 is about 378.9797702483.

Adding to 54431222 its reverse (22213445), we get a palindrome (76644667).

The spelling of 54431222 in words is "fifty-four million, four hundred thirty-one thousand, two hundred twenty-two".