22063887 has 16 divisors (see below), whose sum is σ = 32928000. Its totient is φ = 14600952.

The previous prime is 22063879. The next prime is 22063897. The reversal of 22063887 is 78836022.

It is a happy number.

It is not a de Polignac number, because 22063887 - 2³ = 22063879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22063897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814 + ... + 6692.

It is an arithmetic number, because the mean of its divisors is an integer number (2058000).

Almost surely, 2^22063887 is an apocalyptic number.

22063887 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

22063887 is a deficient number, since it is larger than the sum of its proper divisors (10864113).

22063887 is a wasteful number, since it uses less digits than its factorization.

22063887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6027 (or 6021 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 22063887 is about 4697.2211998159. The cubic root of 22063887 is about 280.4749041004.

The spelling of 22063887 in words is "twenty-two million, sixty-three thousand, eight hundred eighty-seven".