Search a number
-
+
2228869442 = 219318118439
BaseRepresentation
bin1000010011011001…
…1101100101000010
312202100000022002002
42010312131211002
514031042310232
61005100224002
7106143035432
oct20466354502
95670008062
102228869442
11a44158668
1252253b002
132969cbb77
141720342c2
15d0a20b62
hex84d9d942

2228869442 has 16 divisors (see below), whose sum is σ = 3520564800. Its totient is φ = 1055391120.

The previous prime is 2228869421. The next prime is 2228869463. The reversal of 2228869442 is 2449688222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2228869421) and next prime (2228869463).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111659 + ... + 130097.

It is an arithmetic number, because the mean of its divisors is an integer number (220035300).

Almost surely, 22228869442 is an apocalyptic number.

2228869442 is a deficient number, since it is larger than the sum of its proper divisors (1291695358).

2228869442 is a wasteful number, since it uses less digits than its factorization.

2228869442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21641.

The product of its digits is 884736, while the sum is 47.

The square root of 2228869442 is about 47210.9038464633. The cubic root of 2228869442 is about 1306.2557344681.

The spelling of 2228869442 in words is "two billion, two hundred twenty-eight million, eight hundred sixty-nine thousand, four hundred forty-two".

Divisors: 1 2 19 38 3181 6362 18439 36878 60439 120878 350341 700682 58654459 117308918 1114434721 2228869442