22459071 has 4 divisors (see below), whose sum is σ = 29945432. Its totient is φ = 14972712.

The previous prime is 22459043. The next prime is 22459127. The reversal of 22459071 is 17095422.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22459071 - 2⁵ = 22459039 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 (22459571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3743176 + ... + 3743181.

It is an arithmetic number, because the mean of its divisors is an integer number (7486358).

Almost surely, 2^22459071 is an apocalyptic number.

22459071 is a deficient number, since it is larger than the sum of its proper divisors (7486361).

22459071 is an equidigital number, since it uses as much as digits as its factorization.

22459071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7486360.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 22459071 is about 4739.1002310565. The cubic root of 22459071 is about 282.1395240357.

It can be divided in two parts, 224 and 59071, that added together give a palindrome (59295).

The spelling of 22459071 in words is "twenty-two million, four hundred fifty-nine thousand, seventy-one".