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22441390 = 252244139
BaseRepresentation
bin101010110011…
…0110110101110
31120020010210121
41111212312232
521221111030
62120555154
7361514536
oct125466656
946203717
1022441390
1111738604
127622aba
13485973a
142da24c6
151e8447a
hex1566dae

22441390 has 8 divisors (see below), whose sum is σ = 40394520. Its totient is φ = 8976552.

The previous prime is 22441379. The next prime is 22441459. The reversal of 22441390 is 9314422.

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, 1122060 + ... + 1122079.

It is an arithmetic number, because the mean of its divisors is an integer number (5049315).

Almost surely, 222441390 is an apocalyptic number.

22441390 is a deficient number, since it is larger than the sum of its proper divisors (17953130).

22441390 is a wasteful number, since it uses less digits than its factorization.

22441390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244146.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 22441390 is about 4737.2344252739. The cubic root of 22441390 is about 282.0654660812.

It can be divided in two parts, 224 and 41390, that added together give a palindrome (41614).

The spelling of 22441390 in words is "twenty-two million, four hundred forty-one thousand, three hundred ninety".

Divisors: 1 2 5 10 2244139 4488278 11220695 22441390