Search a number
-
+
122206069 = 705717317
BaseRepresentation
bin1110100100010…
…11011101110101
322111221201012201
413102023131311
5222241043234
620043144501
73012506626
oct722133565
9274851181
10122206069
1162a89257
1234b15131
131c41a0ab
1412331a4d
15aade314
hex748b775

122206069 has 4 divisors (see below), whose sum is σ = 122230444. Its totient is φ = 122181696.

The previous prime is 122206037. The next prime is 122206093. The reversal of 122206069 is 960602221.

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 116856100 + 5349969 = 10810^2 + 2313^2 .

It is a cyclic number.

It is not a de Polignac number, because 122206069 - 25 = 122206037 is a prime.

It is a super-2 number, since 2×1222060692 = 29868646600865522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122200069) 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, 1602 + ... + 15715.

It is an arithmetic number, because the mean of its divisors is an integer number (30557611).

Almost surely, 2122206069 is an apocalyptic number.

It is an amenable number.

122206069 is a deficient number, since it is larger than the sum of its proper divisors (24375).

122206069 is an equidigital number, since it uses as much as digits as its factorization.

122206069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24374.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 122206069 is about 11054.6853867489. The cubic root of 122206069 is about 496.2466539545.

The spelling of 122206069 in words is "one hundred twenty-two million, two hundred six thousand, sixty-nine".

Divisors: 1 7057 17317 122206069