554142220 has 144 divisors (see below), whose sum is σ = 1327269888. Its totient is φ = 193818240.

The previous prime is 554142209. The next prime is 554142221. The reversal of 554142220 is 22241455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554142221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7804785 + ... + 7804855.

It is an arithmetic number, because the mean of its divisors is an integer number (9217152).

Almost surely, 2^554142220 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 554142220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663634944).

554142220 is an abundant number, since it is smaller than the sum of its proper divisors (773127668).

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

554142220 is a wasteful number, since it uses less digits than its factorization.

554142220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 554142220 is about 23540.2255724112. The cubic root of 554142220 is about 821.3729824079.

Adding to 554142220 its reverse (22241455), we get a palindrome (576383675).

The spelling of 554142220 in words is "five hundred fifty-four million, one hundred forty-two thousand, two hundred twenty".