2122600 has 24 divisors (see below), whose sum is σ = 4935510. Its totient is φ = 848960.

The previous prime is 2122573. The next prime is 2122619. The reversal of 2122600 is 62212.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2067844 + 54756 = 1438^2 + 234^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5107 + ... + 5506.

2^2122600 is an apocalyptic number.

2122600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122600 is an abundant number, since it is smaller than the sum of its proper divisors (2812910).

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

2122600 is a wasteful number, since it uses less digits than its factorization.

2122600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10629 (or 10620 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2122600 is about 1456.9145479403. The cubic root of 2122600 is about 128.5156607054.

Adding to 2122600 its reverse (62212), we get a palindrome (2184812).

The spelling of 2122600 in words is "two million, one hundred twenty-two thousand, six hundred".