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140222 = 270111
BaseRepresentation
bin100010001110111110
321010100102
4202032332
513441342
63001102
71122545
oct421676
9233312
10140222
1196395
1269192
134ba94
143915c
152b832
hex223be

140222 has 4 divisors (see below), whose sum is σ = 210336. Its totient is φ = 70110.

The previous prime is 140221. The next prime is 140227. The reversal of 140222 is 222041.

It is a semiprime because it is the product of two primes.

140222 is a modest number, since divided by 222 gives 140 as remainder.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35054 + ... + 35057.

It is an arithmetic number, because the mean of its divisors is an integer number (52584).

2140222 is an apocalyptic number.

140222 is a deficient number, since it is larger than the sum of its proper divisors (70114).

140222 is an equidigital number, since it uses as much as digits as its factorization.

140222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70113.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 140222 is about 374.4622811446. The cubic root of 140222 is about 51.9523725643.

Adding to 140222 its reverse (222041), we get a palindrome (362263).

The spelling of 140222 in words is "one hundred forty thousand, two hundred twenty-two", and thus it is an iban number.

Divisors: 1 2 70111 140222