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1222061317 = 10126994483
BaseRepresentation
bin100100011010111…
…0010110100000101
310011011112010222021
41020311302310011
510000321430232
6321133003141
742166230661
oct11065626405
93134463867
101222061317
11577904834
122a13234b1
13166249c09
14b84338a1
1572447397
hex48d72d05

1222061317 has 8 divisors (see below), whose sum is σ = 1234893600. Its totient is φ = 1209243600.

The previous prime is 1222061297. The next prime is 1222061327. The reversal of 1222061317 is 7131602221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222061317 - 219 = 1221537029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222061291 and 1222061300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222061327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270358 + ... + 274840.

It is an arithmetic number, because the mean of its divisors is an integer number (154361700).

Almost surely, 21222061317 is an apocalyptic number.

It is an amenable number.

1222061317 is a deficient number, since it is larger than the sum of its proper divisors (12832283).

1222061317 is a wasteful number, since it uses less digits than its factorization.

1222061317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7283.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1222061317 is about 34957.9936066131. The cubic root of 1222061317 is about 1069.1311889373.

Adding to 1222061317 its reverse (7131602221), we get a palindrome (8353663538).

It can be divided in two parts, 12220 and 61317, that added together give a palindrome (73537).

The spelling of 1222061317 in words is "one billion, two hundred twenty-two million, sixty-one thousand, three hundred seventeen".

Divisors: 1 101 2699 4483 272599 452783 12099617 1222061317