22391134 has 8 divisors (see below), whose sum is σ = 33608520. Its totient is φ = 11188296.

The previous prime is 22391119. The next prime is 22391137. The reversal of 22391134 is 43119322.

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

It is a junction number, because it is equal to n+sod(n) for n = 22391099 and 22391108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22391137) 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, 1897 + ... + 6955.

It is an arithmetic number, because the mean of its divisors is an integer number (4201065).

Almost surely, 2^22391134 is an apocalyptic number.

22391134 is a deficient number, since it is larger than the sum of its proper divisors (11217386).

22391134 is a wasteful number, since it uses less digits than its factorization.

22391134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7274.

The product of its digits is 1296, while the sum is 25.

The square root of 22391134 is about 4731.9270915770. The cubic root of 22391134 is about 281.8547530946.

The spelling of 22391134 in words is "twenty-two million, three hundred ninety-one thousand, one hundred thirty-four".