22078134 has 24 divisors (see below), whose sum is σ = 51516192. Its totient is φ = 6793200.

The previous prime is 22078123. The next prime is 22078139. The reversal of 22078134 is 43187022.

It is a junction number, because it is equal to n+sod(n) for n = 22078098 and 22078107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22078139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46942 + ... + 47409.

It is an arithmetic number, because the mean of its divisors is an integer number (2146508).

Almost surely, 2^22078134 is an apocalyptic number.

22078134 is an abundant number, since it is smaller than the sum of its proper divisors (29438058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22078134 is a wasteful number, since it uses less digits than its factorization.

22078134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94372 (or 94369 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 22078134 is about 4698.7374900073. The cubic root of 22078134 is about 280.5352601351.

The spelling of 22078134 in words is "twenty-two million, seventy-eight thousand, one hundred thirty-four".