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2220412044 = 223185034337
BaseRepresentation
bin1000010001011000…
…1100110010001100
312201202002121201010
42010112030302030
514021411141134
61004155045220
7106011122334
oct20426146214
95652077633
102220412044
11a3a401484
1251b740810
1329502a4a6
14170c720c4
15cedeece9
hex8458cc8c

2220412044 has 12 divisors (see below), whose sum is σ = 5180961464. Its totient is φ = 740137344.

The previous prime is 2220412043. The next prime is 2220412087. The reversal of 2220412044 is 4402140222.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2220412044.

It is not an unprimeable number, because it can be changed into a prime (2220412043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92517157 + ... + 92517180.

Almost surely, 22220412044 is an apocalyptic number.

It is an amenable number.

2220412044 is an abundant number, since it is smaller than the sum of its proper divisors (2960549420).

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

2220412044 is a wasteful number, since it uses less digits than its factorization.

2220412044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185034344 (or 185034342 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 2220412044 is about 47121.2483281163. The cubic root of 2220412044 is about 1304.6014537285.

Adding to 2220412044 its reverse (4402140222), we get a palindrome (6622552266).

The spelling of 2220412044 in words is "two billion, two hundred twenty million, four hundred twelve thousand, forty-four".

Divisors: 1 2 3 4 6 12 185034337 370068674 555103011 740137348 1110206022 2220412044