2122574 has 4 divisors (see below), whose sum is σ = 3183864. Its totient is φ = 1061286.

The previous prime is 2122573. The next prime is 2122619. The reversal of 2122574 is 4752212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530642 + ... + 530645.

It is an arithmetic number, because the mean of its divisors is an integer number (795966).

2^2122574 is an apocalyptic number.

2122574 is a deficient number, since it is larger than the sum of its proper divisors (1061290).

2122574 is a wasteful number, since it uses less digits than its factorization.

2122574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061289.

The product of its digits is 1120, while the sum is 23.

The square root of 2122574 is about 1456.9056249462. The cubic root of 2122574 is about 128.5151359683.

Adding to 2122574 its reverse (4752212), we get a palindrome (6874786).

The spelling of 2122574 in words is "two million, one hundred twenty-two thousand, five hundred seventy-four".