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22231010213 = 233507718793
BaseRepresentation
bin10100101101000100…
…100100101110100101
32010101022120022220122
4110231010210232211
5331012114311323
614113543411325
71414622316566
oct245504445645
963338508818
1022231010213
11947890a015
124385153b45
132133976019
14110c71616d
158a1a60ec8
hex52d124ba5

22231010213 has 8 divisors (see below), whose sum is σ = 22332008088. Its totient is φ = 22130060544.

The previous prime is 22231010209. The next prime is 22231010227. The reversal of 22231010213 is 31201013222.

It can be written as a sum of positive squares in 4 ways, for example, as 8390193604 + 13840816609 = 91598^2 + 117647^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22231010213 - 22 = 22231010209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22231010191 and 22231010200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231012213) 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, 1173545 + ... + 1192337.

It is an arithmetic number, because the mean of its divisors is an integer number (2791501011).

Almost surely, 222231010213 is an apocalyptic number.

It is an amenable number.

22231010213 is a deficient number, since it is larger than the sum of its proper divisors (100997875).

22231010213 is a wasteful number, since it uses less digits than its factorization.

22231010213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24103.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22231010213 its reverse (31201013222), we get a palindrome (53432023435).

The spelling of 22231010213 in words is "twenty-two billion, two hundred thirty-one million, ten thousand, two hundred thirteen".

Divisors: 1 233 5077 18793 1182941 4378769 95412061 22231010213