54143222 has 16 divisors (see below), whose sum is σ = 93497760. Its totient is φ = 23034048.

The previous prime is 54143213. The next prime is 54143227. The reversal of 54143222 is 22234145.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54143227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12197 + ... + 16032.

It is an arithmetic number, because the mean of its divisors is an integer number (5843610).

Almost surely, 2^54143222 is an apocalyptic number.

54143222 is a deficient number, since it is larger than the sum of its proper divisors (39354538).

54143222 is a wasteful number, since it uses less digits than its factorization.

54143222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28375.

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

The square root of 54143222 is about 7358.2077980987. The cubic root of 54143222 is about 378.3101837004.

Adding to 54143222 its reverse (22234145), we get a palindrome (76377367).

The spelling of 54143222 in words is "fifty-four million, one hundred forty-three thousand, two hundred twenty-two".