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1222142411 = 71731009201
BaseRepresentation
bin100100011011000…
…0110100111001011
310011011200021012202
41020312012213023
510000332024121
6321134430415
742200016260
oct11066064713
93134607182
101222142411
1157795a756
122a136240b
13166277ab9
14b8455267
157246140b
hex48d869cb

1222142411 has 8 divisors (see below), whose sum is σ = 1404809184. Its totient is φ = 1041494400.

The previous prime is 1222142407. The next prime is 1222142413. The reversal of 1222142411 is 1142412221.

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 1222142411 - 22 = 1222142407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222142413) 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, 503390 + ... + 505811.

It is an arithmetic number, because the mean of its divisors is an integer number (175601148).

Almost surely, 21222142411 is an apocalyptic number.

1222142411 is a deficient number, since it is larger than the sum of its proper divisors (182666773).

1222142411 is a wasteful number, since it uses less digits than its factorization.

1222142411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009381.

The product of its digits is 256, while the sum is 20.

The square root of 1222142411 is about 34959.1534651513. The cubic root of 1222142411 is about 1069.1548370161.

Adding to 1222142411 its reverse (1142412221), we get a palindrome (2364554632).

The spelling of 1222142411 in words is "one billion, two hundred twenty-two million, one hundred forty-two thousand, four hundred eleven".

Divisors: 1 7 173 1211 1009201 7064407 174591773 1222142411