22165322 has 4 divisors (see below), whose sum is σ = 33247986.
Its totient is φ = 11082660.
The previous prime is 22165321. The next prime is 22165327. The reversal of 22165322 is 22356122.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 19971961 + 2193361 = 4469^2 + 1481^2
It is not an unprimeable number, because it can be changed into a prime (22165321) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5541329 + ... + 5541332.
Almost surely, 222165322 is an apocalyptic number.
22165322 is a deficient number, since it is larger than the sum of its proper divisors (11082664).
22165322 is a wasteful number, since it uses less digits than its factorization.
22165322 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11082663.
The product of its digits is 1440, while the sum is 23.
The square root of 22165322 is about 4708.0061597241.
The cubic root of 22165322 is about 280.9040591404.
The spelling of 22165322 in words is "twenty-two million, one hundred sixty-five thousand, three hundred twenty-two".