2228222 has 4 divisors (see below), whose sum is σ = 3342336. Its totient is φ = 1114110.

The previous prime is 2228221. The next prime is 2228243.

2228222 is nontrivially palindromic in base 10.

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

It is a junction number, because it is equal to n+sod(n) for n = 2228194 and 2228203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557054 + ... + 557057.

It is an arithmetic number, because the mean of its divisors is an integer number (835584).

2^2228222 is an apocalyptic number.

2228222 is a deficient number, since it is larger than the sum of its proper divisors (1114114).

2228222 is a wasteful number, since it uses less digits than its factorization.

2228222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114113.

The product of its digits is 512, while the sum is 20.

The square root of 2228222 is about 1492.7230151639. The cubic root of 2228222 is about 130.6129241830.

The spelling of 2228222 in words is "two million, two hundred twenty-eight thousand, two hundred twenty-two".