Search a number
-
+
222212021011 = 9971319168977
BaseRepresentation
bin1100111011110011011…
…1100101101100010011
3210020120100010021010021
43032330313211230103
512120042234133021
6250025514444311
722024423004521
oct3167467455423
9706510107107
10222212021011
118626a990362
1237096433697
1317c54076b86
14aa80093311
155ba84d3c41
hex33bcde5b13

222212021011 has 8 divisors (see below), whose sum is σ = 222604858080. Its totient is φ = 221819526528.

The previous prime is 222212020999. The next prime is 222212021023. The reversal of 222212021011 is 110120212222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222212020999) and next prime (222212021023).

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 222212021011 - 213 = 222212012819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222212021071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1230555 + ... + 1399531.

It is an arithmetic number, because the mean of its divisors is an integer number (27825607260).

Almost surely, 2222212021011 is an apocalyptic number.

222212021011 is a deficient number, since it is larger than the sum of its proper divisors (392837069).

222212021011 is a wasteful number, since it uses less digits than its factorization.

222212021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171293.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222212021011 its reverse (110120212222), we get a palindrome (332332233233).

The spelling of 222212021011 in words is "two hundred twenty-two billion, two hundred twelve million, twenty-one thousand, eleven".

Divisors: 1 997 1319 168977 1315043 168470069 222880663 222212021011