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1075222105 = 5215044421
BaseRepresentation
bin100000000010110…
…1001011001011001
32202221012221102221
41000011221121121
54200224101410
6254405424041
735434144216
oct10005513131
92687187387
101075222105
11501a31311
1226010b021
131419b68c9
14a2b2cb0d
15645de4da
hex40169659

1075222105 has 4 divisors (see below), whose sum is σ = 1290266532. Its totient is φ = 860177680.

The previous prime is 1075222087. The next prime is 1075222123. The reversal of 1075222105 is 5012225701.

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

It is an interprime number because it is at equal distance from previous prime (1075222087) and next prime (1075222123).

It can be written as a sum of positive squares in 2 ways, for example, as 251761689 + 823460416 = 15867^2 + 28696^2 .

It is not a de Polignac number, because 1075222105 - 27 = 1075221977 is a prime.

It is a super-2 number, since 2×10752221052 = 2312205150161262050, which contains 22 as substring.

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 1075222105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107522206 + ... + 107522215.

It is an arithmetic number, because the mean of its divisors is an integer number (322566633).

Almost surely, 21075222105 is an apocalyptic number.

It is an amenable number.

1075222105 is a deficient number, since it is larger than the sum of its proper divisors (215044427).

1075222105 is an equidigital number, since it uses as much as digits as its factorization.

1075222105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215044426.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 1075222105 is about 32790.5795160744. The cubic root of 1075222105 is about 1024.4703525774.

Adding to 1075222105 its reverse (5012225701), we get a palindrome (6087447806).

The spelling of 1075222105 in words is "one billion, seventy-five million, two hundred twenty-two thousand, one hundred five".

Divisors: 1 5 215044421 1075222105