Search a number
-
+
2201222 = 21100611
BaseRepresentation
bin1000011001011010000110
311010211111202
420121122012
51030414342
6115102502
724465362
oct10313206
94124452
102201222
1112738a1
128a1a32
135c0bca
144142a2
152d7332
hex219686

2201222 has 4 divisors (see below), whose sum is σ = 3301836. Its totient is φ = 1100610.

The previous prime is 2201209. The next prime is 2201273. The reversal of 2201222 is 2221022.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550304 + ... + 550307.

It is an arithmetic number, because the mean of its divisors is an integer number (825459).

22201222 is an apocalyptic number.

2201222 is a deficient number, since it is larger than the sum of its proper divisors (1100614).

2201222 is a wasteful number, since it uses less digits than its factorization.

2201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100613.

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

The square root of 2201222 is about 1483.6515763480. The cubic root of 2201222 is about 130.0832208756.

Adding to 2201222 its reverse (2221022), we get a palindrome (4422244).

The spelling of 2201222 in words is "two million, two hundred one thousand, two hundred twenty-two".

Divisors: 1 2 1100611 2201222