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222676449 = 3457162419
BaseRepresentation
bin11010100010111…
…00010111100001
3120112000010122220
431101130113201
5424001121244
634032421253
75342501322
oct1521342741
9515003586
10222676449
11104771126
12626a7829
1337196a18
1421806449
1514838319
hexd45c5e1

222676449 has 8 divisors (see below), whose sum is σ = 297553440. Its totient is φ = 148125216.

The previous prime is 222676381. The next prime is 222676451. The reversal of 222676449 is 944676222.

222676449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2k-222676449 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 222676449.

It is not an unprimeable number, because it can be changed into a prime (222677449) 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, 79839 + ... + 82580.

It is an arithmetic number, because the mean of its divisors is an integer number (37194180).

Almost surely, 2222676449 is an apocalyptic number.

It is an amenable number.

222676449 is a deficient number, since it is larger than the sum of its proper divisors (74876991).

222676449 is a wasteful number, since it uses less digits than its factorization.

222676449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162879.

The product of its digits is 290304, while the sum is 42.

The square root of 222676449 is about 14922.3473019495. The cubic root of 222676449 is about 606.1192758282.

The spelling of 222676449 in words is "two hundred twenty-two million, six hundred seventy-six thousand, four hundred forty-nine".

Divisors: 1 3 457 1371 162419 487257 74225483 222676449