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1222022029 is a prime number
BaseRepresentation
bin100100011010110…
…1001001110001101
310011011110011002011
41020311221032031
510000314201104
6321132101221
742166005304
oct11065511615
93134404064
101222022029
11577888268
122a1304811
13166235077
14b842343b
157243a904
hex48d6938d

1222022029 has 2 divisors, whose sum is σ = 1222022030. Its totient is φ = 1222022028.

The previous prime is 1222021987. The next prime is 1222022047. The reversal of 1222022029 is 9202202221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1216405129 + 5616900 = 34877^2 + 2370^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222022029 - 219 = 1221497741 is a prime.

It is a super-2 number, since 2×12220220292 = 2986675678722553682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222022429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611011014 + 611011015.

It is an arithmetic number, because the mean of its divisors is an integer number (611011015).

Almost surely, 21222022029 is an apocalyptic number.

It is an amenable number.

1222022029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222022029 is an equidigital number, since it uses as much as digits as its factorization.

1222022029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1222022029 is about 34957.4316705332. The cubic root of 1222022029 is about 1069.1197316627.

The spelling of 1222022029 in words is "one billion, two hundred twenty-two million, twenty-two thousand, twenty-nine".