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1201222 = 21154601
BaseRepresentation
bin100100101010001000110
32021000202201
410211101012
5301414342
641425114
713132051
oct4452106
92230681
101201222
11750550
1249b19a
133309a9
14233a98
1518adb7
hex125446

1201222 has 8 divisors (see below), whose sum is σ = 1965672. Its totient is φ = 546000.

The previous prime is 1201217. The next prime is 1201229. The reversal of 1201222 is 2221021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1201199 and 1201208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27279 + ... + 27322.

It is an arithmetic number, because the mean of its divisors is an integer number (245709).

21201222 is an apocalyptic number.

1201222 is a deficient number, since it is larger than the sum of its proper divisors (764450).

1201222 is a wasteful number, since it uses less digits than its factorization.

1201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54614.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1201222 is about 1096.0027372229. The cubic root of 1201222 is about 106.3019160357.

Adding to 1201222 its reverse (2221021), we get a palindrome (3422243).

The spelling of 1201222 in words is "one million, two hundred one thousand, two hundred twenty-two".

Divisors: 1 2 11 22 54601 109202 600611 1201222