6554220 has 48 divisors (see below), whose sum is σ = 18463200. Its totient is φ = 1737216.

The previous prime is 6554213. The next prime is 6554239. The reversal of 6554220 is 224556.

It is a nialpdrome in base 10.

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, 18606 + ... + 18954.

It is an arithmetic number, because the mean of its divisors is an integer number (384650).

Almost surely, 2^6554220 is an apocalyptic number.

6554220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6554220 is an abundant number, since it is smaller than the sum of its proper divisors (11908980).

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

6554220 is a wasteful number, since it uses less digits than its factorization.

6554220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 672 counting only the distinct ones).

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

The square root of 6554220 is about 2560.1210908861. The cubic root of 6554220 is about 187.1430363974.

Adding to 6554220 its reverse (224556), we get a palindrome (6778776).

It can be divided in two parts, 65 and 54220, that added together give a triangular number (54285 = T₃₂₉).

The spelling of 6554220 in words is "six million, five hundred fifty-four thousand, two hundred twenty".