22134394 has 4 divisors (see below), whose sum is σ = 33201594. Its totient is φ = 11067196.

The previous prime is 22134377. The next prime is 22134407. The reversal of 22134394 is 49343122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49343122 = 2 ⋅24671561.

It can be written as a sum of positive squares in only one way, i.e., 20584369 + 1550025 = 4537^2 + 1245^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5533597 + ... + 5533600.

Almost surely, 2^22134394 is an apocalyptic number.

22134394 is a deficient number, since it is larger than the sum of its proper divisors (11067200).

22134394 is a wasteful number, since it uses less digits than its factorization.

22134394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11067199.

The product of its digits is 5184, while the sum is 28.

The square root of 22134394 is about 4704.7203955177. The cubic root of 22134394 is about 280.7733467801.

The spelling of 22134394 in words is "twenty-two million, one hundred thirty-four thousand, three hundred ninety-four".