54315222 has 16 divisors (see below), whose sum is σ = 116986800. Its totient is φ = 16712352.

The previous prime is 54315199. The next prime is 54315227. The reversal of 54315222 is 22251345.

It is a junction number, because it is equal to n+sod(n) for n = 54315192 and 54315201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54315227) 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, 348097 + ... + 348252.

It is an arithmetic number, because the mean of its divisors is an integer number (7311675).

Almost surely, 2^54315222 is an apocalyptic number.

54315222 is an abundant number, since it is smaller than the sum of its proper divisors (62671578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54315222 is a wasteful number, since it uses less digits than its factorization.

54315222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696367.

The product of its digits is 2400, while the sum is 24.

The square root of 54315222 is about 7369.8861592293. The cubic root of 54315222 is about 378.7103604127.

Adding to 54315222 its reverse (22251345), we get a palindrome (76566567).

The spelling of 54315222 in words is "fifty-four million, three hundred fifteen thousand, two hundred twenty-two".