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2212210122 = 23834442189
BaseRepresentation
bin1000001111011011…
…1010010111001010
312201011122220210020
42003312322113022
514012311210442
61003303201310
7105551322123
oct20366722712
95634586706
102212210122
11a3580a231
12518a46236
13293418195
1416db3904a
15ce32e9ec
hex83dba5ca

2212210122 has 16 divisors (see below), whose sum is σ = 4477727520. Its totient is φ = 728518832.

The previous prime is 2212210111. The next prime is 2212210123. The reversal of 2212210122 is 2210122122.

It is not an unprimeable number, because it can be changed into a prime (2212210123) 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, 2220597 + ... + 2221592.

It is an arithmetic number, because the mean of its divisors is an integer number (279857970).

Almost surely, 22212210122 is an apocalyptic number.

2212210122 is an abundant number, since it is smaller than the sum of its proper divisors (2265517398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2212210122 is a wasteful number, since it uses less digits than its factorization.

2212210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442277.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2212210122 is about 47034.1378362568. The cubic root of 2212210122 is about 1302.9931273807.

Adding to 2212210122 its reverse (2210122122), we get a palindrome (4422332244).

The spelling of 2212210122 in words is "two billion, two hundred twelve million, two hundred ten thousand, one hundred twenty-two".