Search a number
-
+
2215611022 = 223444710831
BaseRepresentation
bin1000010000001111…
…1000101010001110
312201102001200221111
42010003320222032
514014144023042
61003504122234
7105622245232
oct20403705216
95642050844
102215611022
11a37722399
1251a00637a
13294039151
141703825c2
15ce7a2517
hex840f8a8e

2215611022 has 16 divisors (see below), whose sum is σ = 3469012992. Its totient is φ = 1059303960.

The previous prime is 2215611017. The next prime is 2215611029. The reversal of 2215611022 is 2201165122.

It is a junction number, because it is equal to n+sod(n) for n = 2215610984 and 2215611002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215611029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199147 + ... + 209977.

It is an arithmetic number, because the mean of its divisors is an integer number (216813312).

Almost surely, 22215611022 is an apocalyptic number.

2215611022 is a deficient number, since it is larger than the sum of its proper divisors (1253401970).

2215611022 is a wasteful number, since it uses less digits than its factorization.

2215611022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15303.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 2215611022 is about 47070.2774795305. The cubic root of 2215611022 is about 1303.6604962415.

Adding to 2215611022 its reverse (2201165122), we get a palindrome (4416776144).

The spelling of 2215611022 in words is "two billion, two hundred fifteen million, six hundred eleven thousand, twenty-two".

Divisors: 1 2 23 46 4447 8894 10831 21662 102281 204562 249113 498226 48165457 96330914 1107805511 2215611022