22289071 has 24 divisors (see below), whose sum is σ = 27702000. Its totient is φ = 17829504.

The previous prime is 22289053. The next prime is 22289077. The reversal of 22289071 is 17098222.

It is not a de Polignac number, because 22289071 - 2⁷ = 22288943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22289077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82725 + ... + 82993.

It is an arithmetic number, because the mean of its divisors is an integer number (1154250).

Almost surely, 2^22289071 is an apocalyptic number.

22289071 is a deficient number, since it is larger than the sum of its proper divisors (5412929).

22289071 is a wasteful number, since it uses less digits than its factorization.

22289071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 22289071 is about 4721.1302672136. The cubic root of 22289071 is about 281.4258517705.

The spelling of 22289071 in words is "twenty-two million, two hundred eighty-nine thousand, seventy-one".