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22074135917 = 26178434901
BaseRepresentation
bin10100100011101110…
…001001010101101101
32002222101101021211112
4110203232021111231
5330201434322132
614050221201405
71411006026251
oct244356112555
962871337745
1022074135917
1193a8302039
124340700265
13210a30b1b2
1410d595c261
15892dc4ab2
hex523b8956d

22074135917 has 4 divisors (see below), whose sum is σ = 22082573436. Its totient is φ = 22065698400.

The previous prime is 22074135883. The next prime is 22074135959. The reversal of 22074135917 is 71953147022.

It is a happy number.

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 19988021641 + 2086114276 = 141379^2 + 45674^2 .

It is a cyclic number.

It is not a de Polignac number, because 22074135917 - 28 = 22074135661 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 (22074135977) 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, 4214834 + ... + 4220067.

It is an arithmetic number, because the mean of its divisors is an integer number (5520643359).

Almost surely, 222074135917 is an apocalyptic number.

It is an amenable number.

22074135917 is a deficient number, since it is larger than the sum of its proper divisors (8437519).

22074135917 is an equidigital number, since it uses as much as digits as its factorization.

22074135917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8437518.

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 22074135917 in words is "twenty-two billion, seventy-four million, one hundred thirty-five thousand, nine hundred seventeen".

Divisors: 1 2617 8434901 22074135917