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100222 = 250111
BaseRepresentation
bin11000011101111110
312002110221
4120131332
511201342
62051554
7565123
oct303576
9162427
10100222
1169331
1249bba
1336805
142874a
151ea67
hex1877e

100222 has 4 divisors (see below), whose sum is σ = 150336. Its totient is φ = 50110.

The previous prime is 100213. The next prime is 100237. The reversal of 100222 is 222001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222001 = 1317077.

100222 is a modest number, since divided by 222 gives 100 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25054 + ... + 25057.

It is an arithmetic number, because the mean of its divisors is an integer number (37584).

2100222 is an apocalyptic number.

100222 is a deficient number, since it is larger than the sum of its proper divisors (50114).

100222 is an equidigital number, since it uses as much as digits as its factorization.

100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50113.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 100222 is about 316.5785842409. The cubic root of 100222 is about 46.4502107075.

Adding to 100222 its reverse (222001), we get a palindrome (322223).

It can be divided in two parts, 1002 and 22, that added together give a 10-th power (1024 = 210).

The spelling of 100222 in words is "one hundred thousand, two hundred twenty-two", and thus it is an iban number.

Divisors: 1 2 50111 100222