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22000000007 is a prime number
BaseRepresentation
bin10100011111010011…
…010101110000000111
32002210012212210111002
4110133103111300013
5330024000000012
614035012203515
71406115625466
oct243723256007
962705783432
1022000000007
11936a476697
12431b90959b
1320c7b51cab
1410c9b809dd
1588b62d7c2
hex51f4d5c07

22000000007 has 2 divisors, whose sum is σ = 22000000008. Its totient is φ = 22000000006.

The previous prime is 21999999977. The next prime is 22000000021. The reversal of 22000000007 is 70000000022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22000000007 - 216 = 21999934471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22000000037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000000003 + 11000000004.

It is an arithmetic number, because the mean of its divisors is an integer number (11000000004).

Almost surely, 222000000007 is an apocalyptic number.

22000000007 is a deficient number, since it is larger than the sum of its proper divisors (1).

22000000007 is an equidigital number, since it uses as much as digits as its factorization.

22000000007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 11.

Adding to 22000000007 its reverse (70000000022), we get a palindrome (92000000029).

The spelling of 22000000007 in words is "twenty-two billion, seven", and thus it is an aban number and an uban number.