2125722 has 16 divisors (see below), whose sum is σ = 4267872. Its totient is φ = 705840.

The previous prime is 2125703. The next prime is 2125733. The reversal of 2125722 is 2275212.

It is a happy number.

2125722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1572 + ... + 2592.

It is an arithmetic number, because the mean of its divisors is an integer number (266742).

2^2125722 is an apocalyptic number.

2125722 is an abundant number, since it is smaller than the sum of its proper divisors (2142150).

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

2125722 is a wasteful number, since it uses less digits than its factorization.

2125722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373.

The product of its digits is 560, while the sum is 21.

The square root of 2125722 is about 1457.9855966367. The cubic root of 2125722 is about 128.5786383964.

The spelling of 2125722 in words is "two million, one hundred twenty-five thousand, seven hundred twenty-two".