22065008 has 20 divisors (see below), whose sum is σ = 48858480. Its totient is φ = 9456384.

The previous prime is 22065007. The next prime is 22065019. The reversal of 22065008 is 80056022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22065007) 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, 98393 + ... + 98616.

It is an arithmetic number, because the mean of its divisors is an integer number (2442924).

Almost surely, 2^22065008 is an apocalyptic number.

22065008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22065008 is an abundant number, since it is smaller than the sum of its proper divisors (26793472).

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

22065008 is a wasteful number, since it uses less digits than its factorization.

22065008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197024 (or 197018 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 22065008 is about 4697.3405241690. The cubic root of 22065008 is about 280.4796540498.

The spelling of 22065008 in words is "twenty-two million, sixty-five thousand, eight".