2133222 has 32 divisors (see below), whose sum is σ = 5252352. Its totient is φ = 562464.

The previous prime is 2133217. The next prime is 2133251. The reversal of 2133222 is 2223312.

It is a super-2 number, since 2×2133222² = 9101272202568, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 1408 + ... + 2499.

It is an arithmetic number, because the mean of its divisors is an integer number (164136).

2^2133222 is an apocalyptic number.

2133222 is an abundant number, since it is smaller than the sum of its proper divisors (3119130).

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

2133222 is a wasteful number, since it uses less digits than its factorization.

2133222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3932.

The product of its digits is 144, while the sum is 15.

The square root of 2133222 is about 1460.5553738219. Note that the first 3 decimals coincide. The cubic root of 2133222 is about 128.7296785095.

Adding to 2133222 its reverse (2223312), we get a palindrome (4356534).

The spelling of 2133222 in words is "two million, one hundred thirty-three thousand, two hundred twenty-two".