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22242005453 = 101921827287
BaseRepresentation
bin10100101101101110…
…100001000111001101
32010102002020221112202
4110231232201013031
5331022423133303
614115015211245
71415114632643
oct245556410715
963362227482
1022242005453
119484039998
124388976b25
132136025895
14110dd79193
158a29d3c88
hex52dba11cd

22242005453 has 4 divisors (see below), whose sum is σ = 22263833760. Its totient is φ = 22220177148.

The previous prime is 22242005447. The next prime is 22242005479. The reversal of 22242005453 is 35450024222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22242005453 - 230 = 21168263629 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 (22242005413) 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, 10912625 + ... + 10914662.

It is an arithmetic number, because the mean of its divisors is an integer number (5565958440).

Almost surely, 222242005453 is an apocalyptic number.

It is an amenable number.

22242005453 is a deficient number, since it is larger than the sum of its proper divisors (21828307).

22242005453 is a wasteful number, since it uses less digits than its factorization.

22242005453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21828306.

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 22242005453 its reverse (35450024222), we get a palindrome (57692029675).

The spelling of 22242005453 in words is "twenty-two billion, two hundred forty-two million, five thousand, four hundred fifty-three".

Divisors: 1 1019 21827287 22242005453