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22269748609 = 76928959361
BaseRepresentation
bin10100101111011000…
…010110010110000001
32010111000110110000001
4110233120112112001
5331102023423414
614121450000001
71415602511533
oct245730262601
963430413001
1022269748609
119498768819
124396116001
13213b9ba554
14111391b853
158a5164074
hex52f616581

22269748609 has 4 divisors (see below), whose sum is σ = 22298708740. Its totient is φ = 22240788480.

The previous prime is 22269748603. The next prime is 22269748619. The reversal of 22269748609 is 90684796222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3849830209 + 18419918400 = 62047^2 + 135720^2 .

It is a cyclic number.

It is not a de Polignac number, because 22269748609 - 211 = 22269746561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22269748609.

It is not an unprimeable number, because it can be changed into a prime (22269748603) 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, 14478912 + ... + 14480449.

It is an arithmetic number, because the mean of its divisors is an integer number (5574677185).

Almost surely, 222269748609 is an apocalyptic number.

It is an amenable number.

22269748609 is a deficient number, since it is larger than the sum of its proper divisors (28960131).

22269748609 is an equidigital number, since it uses as much as digits as its factorization.

22269748609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28960130.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 22269748609 in words is "twenty-two billion, two hundred sixty-nine million, seven hundred forty-eight thousand, six hundred nine".

Divisors: 1 769 28959361 22269748609