2122438 has 8 divisors (see below), whose sum is σ = 3243888. Its totient is φ = 1041144.

The previous prime is 2122427. The next prime is 2122441. The reversal of 2122438 is 8342212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9906 + ... + 10117.

It is an arithmetic number, because the mean of its divisors is an integer number (405486).

2^2122438 is an apocalyptic number.

2122438 is a deficient number, since it is larger than the sum of its proper divisors (1121450).

2122438 is a wasteful number, since it uses less digits than its factorization.

2122438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20078.

The product of its digits is 768, while the sum is 22.

The square root of 2122438 is about 1456.8589499330. The cubic root of 2122438 is about 128.5123911199.

The spelling of 2122438 in words is "two million, one hundred twenty-two thousand, four hundred thirty-eight".