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2220122133 = 32317957427
BaseRepresentation
bin1000010001010100…
…0110000000010101
312201201112220000200
42010111012000111
514021322402013
61004144531113
7106005504165
oct20425060025
95651486020
102220122133
11a3a223689
1251b620a99
13294c58548
14170bd85a5
15ced93e73
hex84546015

2220122133 has 12 divisors (see below), whose sum is σ = 3310290048. Its totient is φ = 1432336680.

The previous prime is 2220122131. The next prime is 2220122147. The reversal of 2220122133 is 3312210222.

It is not a de Polignac number, because 2220122133 - 21 = 2220122131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220122131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3978435 + ... + 3978992.

It is an arithmetic number, because the mean of its divisors is an integer number (275857504).

Almost surely, 22220122133 is an apocalyptic number.

It is an amenable number.

2220122133 is a deficient number, since it is larger than the sum of its proper divisors (1090167915).

2220122133 is a wasteful number, since it uses less digits than its factorization.

2220122133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7957464 (or 7957461 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2220122133 is about 47118.1720040156. The cubic root of 2220122133 is about 1304.5446722594.

Adding to 2220122133 its reverse (3312210222), we get a palindrome (5532332355).

The spelling of 2220122133 in words is "two billion, two hundred twenty million, one hundred twenty-two thousand, one hundred thirty-three".

Divisors: 1 3 9 31 93 279 7957427 23872281 71616843 246680237 740040711 2220122133