22052245459 has 4 divisors (see below), whose sum is σ = 22468325616. Its totient is φ = 21636165304.

The previous prime is 22052245451. The next prime is 22052245469. The reversal of 22052245459 is 95454225022.

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 22052245459 - 2³ = 22052245451 is a prime.

It is a super-2 number, since 2×22052245459² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22052245451) 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, 208039999 + ... + 208040104.

It is an arithmetic number, because the mean of its divisors is an integer number (5617081404).

Almost surely, 2^22052245459 is an apocalyptic number.

22052245459 is a deficient number, since it is larger than the sum of its proper divisors (416080157).

22052245459 is an equidigital number, since it uses as much as digits as its factorization.

22052245459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416080156.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 22052245459 in words is "twenty-two billion, fifty-two million, two hundred forty-five thousand, four hundred fifty-nine".