2122356 has 24 divisors (see below), whose sum is σ = 4989600. Its totient is φ = 702112.

The previous prime is 2122349. The next prime is 2122363. The reversal of 2122356 is 6532212.

It is an interprime number because it is at equal distance from previous prime (2122349) and next prime (2122363).

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, 1195 + ... + 2381.

It is an arithmetic number, because the mean of its divisors is an integer number (207900).

2^2122356 is an apocalyptic number.

It is an amenable number.

2122356 is an abundant number, since it is smaller than the sum of its proper divisors (2867244).

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

2122356 is a wasteful number, since it uses less digits than its factorization.

2122356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343 (or 1341 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 2122356 is about 1456.8308069230. The cubic root of 2122356 is about 128.5107360811.

Adding to 2122356 its reverse (6532212), we get a palindrome (8654568).

The spelling of 2122356 in words is "two million, one hundred twenty-two thousand, three hundred fifty-six".