22160238 has 8 divisors (see below), whose sum is σ = 44320488. Its totient is φ = 7386744.

The previous prime is 22160233. The next prime is 22160239. The reversal of 22160238 is 83206122.

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

22160238 is an admirable number.

It is a super-2 number, since 2×22160238² = 982152296433288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22160233) 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, 1846681 + ... + 1846692.

It is an arithmetic number, because the mean of its divisors is an integer number (5540061).

Almost surely, 2^22160238 is an apocalyptic number.

22160238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22160238 is a wasteful number, since it uses less digits than its factorization.

22160238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3693378.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 22160238 is about 4707.4661974357. The cubic root of 22160238 is about 280.8825807633.

The spelling of 22160238 in words is "twenty-two million, one hundred sixty thousand, two hundred thirty-eight".