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2223157916 = 227768110337
BaseRepresentation
bin1000010010000010…
…1011001010011100
312201221021010100002
42010200223022130
514023112023131
61004333553432
7106043346650
oct20440531234
95657233302
102223157916
11a40a074a1
12520645878
1329577c275
14171388a60
15d02936cb
hex8482b29c

2223157916 has 24 divisors (see below), whose sum is σ = 4447324896. Its totient is φ = 952565760.

The previous prime is 2223157879. The next prime is 2223157919. The reversal of 2223157916 is 6197513222.

It is a super-2 number, since 2×22231579162 = 9884862238946926112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2223157916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223157919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209900 + ... + 220236.

It is an arithmetic number, because the mean of its divisors is an integer number (185305204).

Almost surely, 22223157916 is an apocalyptic number.

It is an amenable number.

2223157916 is an abundant number, since it is smaller than the sum of its proper divisors (2224166980).

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

2223157916 is a wasteful number, since it uses less digits than its factorization.

2223157916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18029 (or 18027 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 2223157916 is about 47150.3755658425. The cubic root of 2223157916 is about 1305.1390105536.

The spelling of 2223157916 in words is "two billion, two hundred twenty-three million, one hundred fifty-seven thousand, nine hundred sixteen".

Divisors: 1 2 4 7 14 28 7681 10337 15362 20674 30724 41348 53767 72359 107534 144718 215068 289436 79398497 158796994 317593988 555789479 1111578958 2223157916