22071368 has 36 divisors (see below), whose sum is σ = 45791235. Its totient is φ = 9966000.

The previous prime is 22071367. The next prime is 22071383. The reversal of 22071368 is 86317022.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 11035684 + 11035684 = 3322^2 + 3322^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3322.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22071368.

It is not an unprimeable number, because it can be changed into a prime (22071367) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 146093 + ... + 146243.

Almost surely, 2^22071368 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 22071368

22071368 is an abundant number, since it is smaller than the sum of its proper divisors (23719867).

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

22071368 is a wasteful number, since it uses less digits than its factorization.

22071368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 22071368 is about 4698.0174542034. The cubic root of 22071368 is about 280.5065998703.

The spelling of 22071368 in words is "twenty-two million, seventy-one thousand, three hundred sixty-eight".