3558222 has 32 divisors (see below), whose sum is σ = 7983360. Its totient is φ = 1174680.

The previous prime is 3558221. The next prime is 3558223. The reversal of 3558222 is 2228553.

It is an interprime number because it is at equal distance from previous prime (3558221) and next prime (3558223).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3558221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6823 + ... + 7325.

It is an arithmetic number, because the mean of its divisors is an integer number (249480).

Almost surely, 2^3558222 is an apocalyptic number.

3558222 is an abundant number, since it is smaller than the sum of its proper divisors (4425138).

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

3558222 is a wasteful number, since it uses less digits than its factorization.

3558222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 639 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 3558222 is about 1886.3249985090. The cubic root of 3558222 is about 152.6667101017. Note that the first 3 decimals are identical.

The spelling of 3558222 in words is "three million, five hundred fifty-eight thousand, two hundred twenty-two".