22500071 has 6 divisors (see below), whose sum is σ = 24731616. Its totient is φ = 20454500.

The previous prime is 22500059. The next prime is 22500083. The reversal of 22500071 is 17000522.

It is an interprime number because it is at equal distance from previous prime (22500059) and next prime (22500083).

It is not a de Polignac number, because 22500071 - 2¹⁴ = 22483687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22500011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92855 + ... + 93096.

It is an arithmetic number, because the mean of its divisors is an integer number (4121936).

Almost surely, 2^22500071 is an apocalyptic number.

22500071 is a deficient number, since it is larger than the sum of its proper divisors (2231545).

22500071 is a wasteful number, since it uses less digits than its factorization.

22500071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185973 (or 185962 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 22500071 is about 4743.4239743038. The cubic root of 22500071 is about 282.3111056131.

Adding to 22500071 its reverse (17000522), we get a palindrome (39500593).

The spelling of 22500071 in words is "twenty-two million, five hundred thousand, seventy-one".