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22420202 = 271601443
BaseRepresentation
bin101010110000…
…1101011101010
31120012001201212
41111201223222
521214421302
62120313122
7361366010
oct125415352
946161655
1022420202
11117236a2
1276127a2
13484cbbc
142d988b0
151e7d052
hex1561aea

22420202 has 8 divisors (see below), whose sum is σ = 38434656. Its totient is φ = 9608652.

The previous prime is 22420201. The next prime is 22420207. The reversal of 22420202 is 20202422.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 1601443 = 22420202 / (2 + 2 + 4 + 2 + 0 + 2 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (22420201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800708 + ... + 800735.

It is an arithmetic number, because the mean of its divisors is an integer number (4804332).

Almost surely, 222420202 is an apocalyptic number.

22420202 is a deficient number, since it is larger than the sum of its proper divisors (16014454).

22420202 is a wasteful number, since it uses less digits than its factorization.

22420202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601452.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 22420202 is about 4734.9975712771. The cubic root of 22420202 is about 281.9766675865.

Adding to 22420202 its reverse (20202422), we get a palindrome (42622624).

It can be divided in two parts, 22420 and 202, that added together give a palindrome (22622).

The spelling of 22420202 in words is "twenty-two million, four hundred twenty thousand, two hundred two".

Divisors: 1 2 7 14 1601443 3202886 11210101 22420202