3556222 has 4 divisors (see below), whose sum is σ = 5334336. Its totient is φ = 1778110.

The previous prime is 3556219. The next prime is 3556243. The reversal of 3556222 is 2226553.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 889054 + ... + 889057.

It is an arithmetic number, because the mean of its divisors is an integer number (1333584).

Almost surely, 2^3556222 is an apocalyptic number.

3556222 is a deficient number, since it is larger than the sum of its proper divisors (1778114).

3556222 is a wasteful number, since it uses less digits than its factorization.

3556222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778113.

The product of its digits is 3600, while the sum is 25.

The square root of 3556222 is about 1885.7947926538. The cubic root of 3556222 is about 152.6381011836.

The spelling of 3556222 in words is "three million, five hundred fifty-six thousand, two hundred twenty-two".