Search a number
-
+
1222070227776 = 26334726215741
BaseRepresentation
bin10001110010001001000…
…011111101001101000000
311022211101011201211212000
4101302021003331031000
5130010244434242101
62333224502104000
7154202016354306
oct21621103751500
94284334654760
101222070227776
11431305869962
12178a18a1b000
138b318b58098
144321174a276
1521bc758c486
hex11c890fd340

1222070227776 has 224 divisors, whose sum is σ = 3671138972160. Its totient is φ = 398468044800.

The previous prime is 1222070227769. The next prime is 1222070227789. The reversal of 1222070227776 is 6777220702221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212864266 + ... + 212870006.

Almost surely, 21222070227776 is an apocalyptic number.

1222070227776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222070227776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1835569486080).

1222070227776 is an abundant number, since it is smaller than the sum of its proper divisors (2449068744384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222070227776 is a wasteful number, since it uses less digits than its factorization.

1222070227776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8430 (or 8414 counting only the distinct ones).

The product of its (nonzero) digits is 460992, while the sum is 45.

Adding to 1222070227776 its reverse (6777220702221), we get a palindrome (7999290929997).

The spelling of 1222070227776 in words is "one trillion, two hundred twenty-two billion, seventy million, two hundred twenty-seven thousand, seven hundred seventy-six".