2122538 has 8 divisors (see below), whose sum is σ = 3473280. Its totient is φ = 964780.

The previous prime is 2122531. The next prime is 2122553. The reversal of 2122538 is 8352212.

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

It is a super-2 number, since 2×2122538² = 9010335122888, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2122531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48218 + ... + 48261.

It is an arithmetic number, because the mean of its divisors is an integer number (434160).

2^2122538 is an apocalyptic number.

2122538 is a deficient number, since it is larger than the sum of its proper divisors (1350742).

2122538 is a wasteful number, since it uses less digits than its factorization.

2122538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96492.

The product of its digits is 960, while the sum is 23.

The square root of 2122538 is about 1456.8932699412. The cubic root of 2122538 is about 128.5144094022.

The spelling of 2122538 in words is "two million, one hundred twenty-two thousand, five hundred thirty-eight".