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2212122241 = 74122733391
BaseRepresentation
bin1000001111011010…
…0100111010000001
312201011111110020101
42003312210322001
514012300402431
61003301242401
7105550504660
oct20366447201
95634443211
102212122241
11a3575a1aa
12518a03401
132933b7194
1416db14dd7
15ce313961
hex83da4e81

2212122241 has 16 divisors (see below), whose sum is σ = 2591705088. Its totient is φ = 1848499200.

The previous prime is 2212122197. The next prime is 2212122251. The reversal of 2212122241 is 1422212122.

It is a cyclic number.

It is not a de Polignac number, because 2212122241 - 27 = 2212122113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2212122251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 650656 + ... + 654046.

It is an arithmetic number, because the mean of its divisors is an integer number (161981568).

Almost surely, 22212122241 is an apocalyptic number.

It is an amenable number.

2212122241 is a deficient number, since it is larger than the sum of its proper divisors (379582847).

2212122241 is a wasteful number, since it uses less digits than its factorization.

2212122241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5712.

The product of its digits is 256, while the sum is 19.

The square root of 2212122241 is about 47033.2036012858. The cubic root of 2212122241 is about 1302.9758731645.

Adding to 2212122241 its reverse (1422212122), we get a palindrome (3634334363).

The spelling of 2212122241 in words is "two billion, two hundred twelve million, one hundred twenty-two thousand, two hundred forty-one".

Divisors: 1 7 41 287 2273 3391 15911 23737 93193 139031 652351 973217 7707743 53954201 316017463 2212122241