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1222422411 = 37311877761
BaseRepresentation
bin100100011011100…
…1010111110001011
310011012012111022010
41020313022332023
510000420004121
6321144431003
742202263510
oct11067127613
93135174263
101222422411
11578031061
122a1478463
13166345392
14b84c9307
15724b9376
hex48dcaf8b

1222422411 has 16 divisors (see below), whose sum is σ = 1922828288. Its totient is φ = 675993600.

The previous prime is 1222422403. The next prime is 1222422419. The reversal of 1222422411 is 1142242221.

It is an interprime number because it is at equal distance from previous prime (1222422403) and next prime (1222422419).

It is not a de Polignac number, because 1222422411 - 23 = 1222422403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222422419) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 938230 + ... + 939531.

It is an arithmetic number, because the mean of its divisors is an integer number (120176768).

Almost surely, 21222422411 is an apocalyptic number.

1222422411 is a deficient number, since it is larger than the sum of its proper divisors (700405877).

1222422411 is a wasteful number, since it uses less digits than its factorization.

1222422411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877802.

The product of its digits is 512, while the sum is 21.

The square root of 1222422411 is about 34963.1579094338. The cubic root of 1222422411 is about 1069.2364806643.

Adding to 1222422411 its reverse (1142242221), we get a palindrome (2364664632).

The spelling of 1222422411 in words is "one billion, two hundred twenty-two million, four hundred twenty-two thousand, four hundred eleven".

Divisors: 1 3 7 21 31 93 217 651 1877761 5633283 13144327 39432981 58210591 174631773 407474137 1222422411