22071008 has 48 divisors (see below), whose sum is σ = 47255040. Its totient is φ = 10108800.

The previous prime is 22070999. The next prime is 22071017. The reversal of 22071008 is 80017022.

It is an interprime number because it is at equal distance from previous prime (22070999) and next prime (22071017).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18263 + ... + 19433.

It is an arithmetic number, because the mean of its divisors is an integer number (984480).

Almost surely, 2^22071008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22071008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23627520).

22071008 is an abundant number, since it is smaller than the sum of its proper divisors (25184032).

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

22071008 is a wasteful number, since it uses less digits than its factorization.

22071008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231 (or 1223 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 22071008 is about 4697.9791400133. The cubic root of 22071008 is about 280.5050747734.

The spelling of 22071008 in words is "twenty-two million, seventy-one thousand, eight".