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222489342 = 236152599
BaseRepresentation
bin11010100001011…
…10101011111110
3120111122122000000
431100232223332
5423424124332
634024415130
75341061655
oct1520565376
9514578000
10222489342
11104653599
12626174a6
133712c7ca
142179819c
15147ecb7c
hexd42eafe

222489342 has 28 divisors (see below), whose sum is σ = 500375400. Its totient is φ = 74162628.

The previous prime is 222489341. The next prime is 222489361. The reversal of 222489342 is 243984222.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 222489297 and 222489306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222489341) 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 13 ways as a sum of consecutive naturals, for example, 74842 + ... + 77757.

It is an arithmetic number, because the mean of its divisors is an integer number (17870550).

Almost surely, 2222489342 is an apocalyptic number.

222489342 is an abundant number, since it is smaller than the sum of its proper divisors (277886058).

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

222489342 is an equidigital number, since it uses as much as digits as its factorization.

222489342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152619 (or 152604 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 222489342 is about 14916.0766289263. The cubic root of 222489342 is about 605.9494615240.

The spelling of 222489342 in words is "two hundred twenty-two million, four hundred eighty-nine thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1458 152599 305198 457797 915594 1373391 2746782 4120173 8240346 12360519 24721038 37081557 74163114 111244671 222489342