22340459 has 4 divisors (see below), whose sum is σ = 22433400. Its totient is φ = 22247520.

The previous prime is 22340441. The next prime is 22340467. The reversal of 22340459 is 95404322.

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

It is a cyclic number.

It is not a de Polignac number, because 22340459 - 2²⁰ = 21291883 is a prime.

It is a super-2 number, since 2×22340459² = 998192216661362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22340419) 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, 46109 + ... + 46590.

It is an arithmetic number, because the mean of its divisors is an integer number (5608350).

Almost surely, 2^22340459 is an apocalyptic number.

22340459 is a deficient number, since it is larger than the sum of its proper divisors (92941).

22340459 is an equidigital number, since it uses as much as digits as its factorization.

22340459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92940.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 22340459 is about 4726.5694747882. The cubic root of 22340459 is about 281.6419638400.

The spelling of 22340459 in words is "twenty-two million, three hundred forty thousand, four hundred fifty-nine".