Base | Representation |
---|---|
bin | 11010011111011… |
… | …10101011010101 |
3 | 120111011022100110 |
4 | 31033232223111 |
5 | 423342232112 |
6 | 34015033233 |
7 | 5335620405 |
oct | 1517565325 |
9 | 514138313 |
10 | 222227157 |
11 | 104494609 |
12 | 6250b819 |
13 | 3706a379 |
14 | 2172a805 |
15 | 1479a13c |
hex | d3eead5 |
222227157 has 8 divisors (see below), whose sum is σ = 296412480. Its totient is φ = 148096640.
The previous prime is 222227017. The next prime is 222227171. The reversal of 222227157 is 751722222.
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 222227157 - 210 = 222226133 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222227197) 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, 3057 + ... + 21302.
It is an arithmetic number, because the mean of its divisors is an integer number (37051560).
Almost surely, 2222227157 is an apocalyptic number.
It is an amenable number.
222227157 is a deficient number, since it is larger than the sum of its proper divisors (74185323).
222227157 is a wasteful number, since it uses less digits than its factorization.
222227157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27403.
The product of its digits is 7840, while the sum is 30.
The square root of 222227157 is about 14907.2853665582. The cubic root of 222227157 is about 605.7113477874.
Adding to 222227157 its reverse (751722222), we get a palindrome (973949379).
The spelling of 222227157 in words is "two hundred twenty-two million, two hundred twenty-seven thousand, one hundred fifty-seven".
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