54022220 has 48 divisors (see below), whose sum is σ = 133170240. Its totient is φ = 18019584.

The previous prime is 54022217. The next prime is 54022237. The reversal of 54022220 is 2222045.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35 + ... + 10394.

It is an arithmetic number, because the mean of its divisors is an integer number (2774380).

Almost surely, 2^54022220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54022220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66585120).

54022220 is an abundant number, since it is smaller than the sum of its proper divisors (79148020).

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

54022220 is a wasteful number, since it uses less digits than its factorization.

54022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10482 (or 10480 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 54022220 is about 7349.9809523563. The cubic root of 54022220 is about 378.0281512772.

Adding to 54022220 its reverse (2222045), we get a palindrome (56244265).

The spelling of 54022220 in words is "fifty-four million, twenty-two thousand, two hundred twenty".