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122122244 = 2261500501
BaseRepresentation
bin1110100011101…
…11000000000100
322111210110020002
413101313000010
5222230402434
620041300432
73012010346
oct721670004
9274713202
10122122244
1162a31282
1234a94718
131c3babaa
141230d296
15aac457e
hex7477004

122122244 has 12 divisors (see below), whose sum is σ = 217217868. Its totient is φ = 60060000.

The previous prime is 122122243. The next prime is 122122289. The reversal of 122122244 is 442221221.

It can be written as a sum of positive squares in 2 ways, for example, as 35259844 + 86862400 = 5938^2 + 9320^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (122122241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250007 + ... + 250494.

It is an arithmetic number, because the mean of its divisors is an integer number (18101489).

Almost surely, 2122122244 is an apocalyptic number.

It is an amenable number.

122122244 is a deficient number, since it is larger than the sum of its proper divisors (95095624).

122122244 is a wasteful number, since it uses less digits than its factorization.

122122244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500566 (or 500564 counting only the distinct ones).

The product of its digits is 512, while the sum is 20.

The square root of 122122244 is about 11050.8933575526. The cubic root of 122122244 is about 496.1331642540.

Adding to 122122244 its reverse (442221221), we get a palindrome (564343465).

The spelling of 122122244 in words is "one hundred twenty-two million, one hundred twenty-two thousand, two hundred forty-four".

Divisors: 1 2 4 61 122 244 500501 1001002 2002004 30530561 61061122 122122244