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222133213 = 1673373947
BaseRepresentation
bin11010011110101…
…11101111011101
3120110222112111001
431033113233131
5423331230323
634013030301
75335046461
oct1517275735
9513875431
10222133213
1110442aa75
1262485391
1337036693
14217044a1
151477c3ad
hexd3d7bdd

222133213 has 8 divisors (see below), whose sum is σ = 224183232. Its totient is φ = 220092096.

The previous prime is 222133193. The next prime is 222133273. The reversal of 222133213 is 312331222.

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 222133213 - 25 = 222133181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222133273) 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, 54306 + ... + 58252.

It is an arithmetic number, because the mean of its divisors is an integer number (28022904).

Almost surely, 2222133213 is an apocalyptic number.

It is an amenable number.

222133213 is a deficient number, since it is larger than the sum of its proper divisors (2050019).

222133213 is a wasteful number, since it uses less digits than its factorization.

222133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4451.

The product of its digits is 432, while the sum is 19.

The square root of 222133213 is about 14904.1340909158. The cubic root of 222133213 is about 605.6259832324.

Adding to 222133213 its reverse (312331222), we get a palindrome (534464435).

The spelling of 222133213 in words is "two hundred twenty-two million, one hundred thirty-three thousand, two hundred thirteen".

Divisors: 1 167 337 3947 56279 659149 1330139 222133213