Search a number
-
+
1222020130 = 25235313131
BaseRepresentation
bin100100011010110…
…1000110000100010
310011011110001110211
41020311220300202
510000314121010
6321132044334
742165666622
oct11065506042
93134401424
101222020130
115778868a1
122a13036aa
13166234246
14b8422882
157243a08a
hex48d68c22

1222020130 has 16 divisors (see below), whose sum is σ = 2295273024. Its totient is φ = 467555440.

The previous prime is 1222020083. The next prime is 1222020133. The reversal of 1222020130 is 310202221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222020130.

It is not an unprimeable number, because it can be changed into a prime (1222020133) 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, 2656336 + ... + 2656795.

It is an arithmetic number, because the mean of its divisors is an integer number (143454564).

Almost surely, 21222020130 is an apocalyptic number.

1222020130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222020130 is a deficient number, since it is larger than the sum of its proper divisors (1073252894).

1222020130 is a wasteful number, since it uses less digits than its factorization.

1222020130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5313161.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1222020130 is about 34957.4045089163. The cubic root of 1222020130 is about 1069.1191778649.

Adding to 1222020130 its reverse (310202221), we get a palindrome (1532222351).

The spelling of 1222020130 in words is "one billion, two hundred twenty-two million, twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 5313131 10626262 26565655 53131310 122202013 244404026 611010065 1222020130