2206222 has 4 divisors (see below), whose sum is σ = 3309336. Its totient is φ = 1103110.

The previous prime is 2206219. The next prime is 2206247. The reversal of 2206222 is 2226022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2226022 = 2 ⋅1113011.

It is a junction number, because it is equal to n+sod(n) for n = 2206196 and 2206205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551554 + ... + 551557.

It is an arithmetic number, because the mean of its divisors is an integer number (827334).

2^2206222 is an apocalyptic number.

2206222 is a deficient number, since it is larger than the sum of its proper divisors (1103114).

2206222 is a wasteful number, since it uses less digits than its factorization.

2206222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103113.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2206222 is about 1485.3356523022. The cubic root of 2206222 is about 130.1816395811.

The spelling of 2206222 in words is "two million, two hundred six thousand, two hundred twenty-two".