It is an unprimeable number.
Almost surely, 222376640 is an apocalyptic number.
22376640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22376640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41989248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22376640 is a wasteful number, since it uses less digits than its factorization.
22376640 is an evil number, because the sum of its binary digits is even.
The square root of 22376640 is about 4730.3953323163. The cubic root of 22376640 is about 281.7939241884.
The spelling of 22376640 in words is "twenty-two million, three hundred seventy-six thousand, six hundred forty".