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122221023 = 3111736473
BaseRepresentation
bin1110100100011…
…11000111011111
322111222110201120
413102033013133
5222242033043
620043342023
73012601341
oct722170737
9274873646
10122221023
1162a99511
1234b21913
131c423b42
1412337291
15aae3983
hex748f1df

122221023 has 8 divisors (see below), whose sum is σ = 163111728. Its totient is φ = 81405504.

The previous prime is 122221019. The next prime is 122221039. The reversal of 122221023 is 320122221.

It is a happy number.

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

It is not a de Polignac number, because 122221023 - 22 = 122221019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122220993 and 122221011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14886 + ... + 21587.

It is an arithmetic number, because the mean of its divisors is an integer number (20388966).

Almost surely, 2122221023 is an apocalyptic number.

122221023 is a deficient number, since it is larger than the sum of its proper divisors (40890705).

122221023 is a wasteful number, since it uses less digits than its factorization.

122221023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37593.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 122221023 is about 11055.3617308526. The cubic root of 122221023 is about 496.2668945471.

Adding to 122221023 its reverse (320122221), we get a palindrome (442343244).

The spelling of 122221023 in words is "one hundred twenty-two million, two hundred twenty-one thousand, twenty-three".

Divisors: 1 3 1117 3351 36473 109419 40740341 122221023