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101222 = 21143107
BaseRepresentation
bin11000101101100110
312010211222
4120231212
511214342
62100342
7601052
oct305546
9163758
10101222
116a060
124a6b2
13370c4
1428c62
151eed2
hex18b66

101222 has 16 divisors (see below), whose sum is σ = 171072. Its totient is φ = 44520.

The previous prime is 101221. The next prime is 101267. The reversal of 101222 is 222101.

Adding to 101222 its reverse (222101), we get a palindrome (323323).

It can be divided in two parts, 101 and 222, that multiplied together give a palindrome (22422).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101221) 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, 893 + ... + 999.

It is an arithmetic number, because the mean of its divisors is an integer number (10692).

2101222 is an apocalyptic number.

101222 is a deficient number, since it is larger than the sum of its proper divisors (69850).

101222 is a wasteful number, since it uses less digits than its factorization.

101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 101222 is about 318.1540507364. The cubic root of 101222 is about 46.6041907729.

The spelling of 101222 in words is "one hundred one thousand, two hundred twenty-two", and thus it is an iban number.

Divisors: 1 2 11 22 43 86 107 214 473 946 1177 2354 4601 9202 50611 101222