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122211044 = 22139921839
BaseRepresentation
bin1110100100011…
…00101011100100
322111221222000222
413102030223210
5222241223134
620043223512
73012530264
oct722145344
9274858028
10122211044
1162a91a6a
1234b17b98
131c41c437
14123337a4
15aae0a2e
hex748cae4

122211044 has 12 divisors (see below), whose sum is σ = 214032000. Its totient is φ = 61059048.

The previous prime is 122210947. The next prime is 122211049. The reversal of 122211044 is 440112221.

It is not an unprimeable number, because it can be changed into a prime (122211049) 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, 5324 + ... + 16515.

It is an arithmetic number, because the mean of its divisors is an integer number (17836000).

Almost surely, 2122211044 is an apocalyptic number.

It is an amenable number.

122211044 is a deficient number, since it is larger than the sum of its proper divisors (91820956).

122211044 is a wasteful number, since it uses less digits than its factorization.

122211044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23242 (or 23240 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 122211044 is about 11054.9104021697. The cubic root of 122211044 is about 496.2533879179.

Adding to 122211044 its reverse (440112221), we get a palindrome (562323265).

The spelling of 122211044 in words is "one hundred twenty-two million, two hundred eleven thousand, forty-four".

Divisors: 1 2 4 1399 2798 5596 21839 43678 87356 30552761 61105522 122211044