22146726 has 24 divisors (see below), whose sum is σ = 51525720. Its totient is φ = 6327552.

The previous prime is 22146713. The next prime is 22146737. The reversal of 22146726 is 62764122.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22146693 and 22146702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37371 + ... + 37958.

It is an arithmetic number, because the mean of its divisors is an integer number (2146905).

Almost surely, 2^22146726 is an apocalyptic number.

22146726 is an abundant number, since it is smaller than the sum of its proper divisors (29378994).

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

22146726 is a wasteful number, since it uses less digits than its factorization.

22146726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75348 (or 75341 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 22146726 is about 4706.0308116288. The cubic root of 22146726 is about 280.8254806384.

The spelling of 22146726 in words is "twenty-two million, one hundred forty-six thousand, seven hundred twenty-six".