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22285982 = 213185061
BaseRepresentation
bin101010100000…
…0111010011110
31112221020121202
41111000322132
521201122412
62113355502
7360266465
oct125007236
945836552
1022285982
1111641874
127568b92
134803a94
142d619dc
151e533c2
hex1540e9e

22285982 has 8 divisors (see below), whose sum is σ = 33684552. Its totient is φ = 11057800.

The previous prime is 22285981. The next prime is 22286003. The reversal of 22285982 is 28958222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22285981) 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, 42269 + ... + 42792.

It is an arithmetic number, because the mean of its divisors is an integer number (4210569).

Almost surely, 222285982 is an apocalyptic number.

22285982 is a deficient number, since it is larger than the sum of its proper divisors (11398570).

22285982 is a wasteful number, since it uses less digits than its factorization.

22285982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85194.

The product of its digits is 46080, while the sum is 38.

The square root of 22285982 is about 4720.8031096414. The cubic root of 22285982 is about 281.4128504118.

The spelling of 22285982 in words is "twenty-two million, two hundred eighty-five thousand, nine hundred eighty-two".

Divisors: 1 2 131 262 85061 170122 11142991 22285982