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220131122 = 2151728911
BaseRepresentation
bin11010001111011…
…10111100110010
3120100012211010112
431013232330302
5422323143442
633502101322
75312040461
oct1507567462
9510184115
10220131122
11103292852
126187a842
13367b5303
14213429d8
15144d4082
hexd1eef32

220131122 has 8 divisors (see below), whose sum is σ = 332383872. Its totient is φ = 109336500.

The previous prime is 220131089. The next prime is 220131133. The reversal of 220131122 is 221131022.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 220131097 and 220131106.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 364154 + ... + 364757.

It is an arithmetic number, because the mean of its divisors is an integer number (41547984).

Almost surely, 2220131122 is an apocalyptic number.

220131122 is a deficient number, since it is larger than the sum of its proper divisors (112252750).

220131122 is a wasteful number, since it uses less digits than its factorization.

220131122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729064.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 220131122 is about 14836.8164374976. The cubic root of 220131122 is about 603.8009829965.

Adding to 220131122 its reverse (221131022), we get a palindrome (441262144).

The spelling of 220131122 in words is "two hundred twenty million, one hundred thirty-one thousand, one hundred twenty-two".