Search a number
-
+
2220331442 = 27251631853
BaseRepresentation
bin1000010001010111…
…1001000110110010
312201201221112010212
42010111321012302
514021401101232
61004153224122
7106010335340
oct20425710662
95651845125
102220331442
11a3a35696a
1251b702042
13294ccc8b4
14170c50990
15cedd5eb2
hex845791b2

2220331442 has 16 divisors (see below), whose sum is σ = 3821452992. Its totient is φ = 947778000.

The previous prime is 2220331433. The next prime is 2220331453. The reversal of 2220331442 is 2441330222.

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, 312413 + ... + 319440.

It is an arithmetic number, because the mean of its divisors is an integer number (238840812).

Almost surely, 22220331442 is an apocalyptic number.

2220331442 is a deficient number, since it is larger than the sum of its proper divisors (1601121550).

2220331442 is a wasteful number, since it uses less digits than its factorization.

2220331442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632113.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2220331442 is about 47120.3930586323. The cubic root of 2220331442 is about 1304.5856676557.

Adding to 2220331442 its reverse (2441330222), we get a palindrome (4661661664).

The spelling of 2220331442 in words is "two billion, two hundred twenty million, three hundred thirty-one thousand, four hundred forty-two".

Divisors: 1 2 7 14 251 502 1757 3514 631853 1263706 4422971 8845942 158595103 317190206 1110165721 2220331442