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23223222229 is a prime number
BaseRepresentation
bin10101101000001101…
…100011111111010101
32012221110120220220211
4111220031203333111
5340030121102404
614400230125421
71451331063154
oct255015437725
965843526824
1023223222229
1199379a3649
1246014b0871
1322613b741c
1411a43d759b
1590dc04b04
hex568363fd5

23223222229 has 2 divisors, whose sum is σ = 23223222230. Its totient is φ = 23223222228.

The previous prime is 23223222203. The next prime is 23223222257. The reversal of 23223222229 is 92222232232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18721080625 + 4502141604 = 136825^2 + 67098^2 .

It is a cyclic number.

It is not a de Polignac number, because 23223222229 - 219 = 23222697941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23223222229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23223222259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611611114 + 11611611115.

It is an arithmetic number, because the mean of its divisors is an integer number (11611611115).

Almost surely, 223223222229 is an apocalyptic number.

It is an amenable number.

23223222229 is a deficient number, since it is larger than the sum of its proper divisors (1).

23223222229 is an equidigital number, since it uses as much as digits as its factorization.

23223222229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 31.

The spelling of 23223222229 in words is "twenty-three billion, two hundred twenty-three million, two hundred twenty-two thousand, two hundred twenty-nine".