2123222 has 16 divisors (see below), whose sum is σ = 3363552. Its totient is φ = 1003200.

The previous prime is 2123213. The next prime is 2123237. The reversal of 2123222 is 2223212.

It is a super-2 number, since 2×2123222² = 9016143322568, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2 + 1 + 2⁹ + 3¹³ + 2¹² + 2¹⁸ + 2¹⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 2123197 and 2123206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4418 + ... + 4874.

It is an arithmetic number, because the mean of its divisors is an integer number (210222).

2^2123222 is an apocalyptic number.

2123222 is a deficient number, since it is larger than the sum of its proper divisors (1240330).

2123222 is a wasteful number, since it uses less digits than its factorization.

2123222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583.

The product of its digits is 96, while the sum is 14.

The square root of 2123222 is about 1457.1279971231. The cubic root of 2123222 is about 128.5282127539.

Adding to 2123222 its reverse (2223212), we get a palindrome (4346434).

The spelling of 2123222 in words is "two million, one hundred twenty-three thousand, two hundred twenty-two".