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22081214 = 263117497
BaseRepresentation
bin101010000111…
…0111010111110
31112112211201202
41110032322332
521123044324
62105135502
7355454501
oct124167276
945484652
1022081214
1111511a41
12748a592
13476180c
142d0b138
151e128ae
hex150eebe

22081214 has 8 divisors (see below), whose sum is σ = 33176208. Its totient is φ = 11022480.

The previous prime is 22081187. The next prime is 22081253. The reversal of 22081214 is 41218022.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7487 + ... + 10010.

It is an arithmetic number, because the mean of its divisors is an integer number (4147026).

Almost surely, 222081214 is an apocalyptic number.

22081214 is a deficient number, since it is larger than the sum of its proper divisors (11094994).

22081214 is a wasteful number, since it uses less digits than its factorization.

22081214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18130.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 22081214 is about 4699.0652261913. The cubic root of 22081214 is about 280.5483048430.

Adding to 22081214 its reverse (41218022), we get a palindrome (63299236).

The spelling of 22081214 in words is "twenty-two million, eighty-one thousand, two hundred fourteen".

Divisors: 1 2 631 1262 17497 34994 11040607 22081214